วันจันทร์ที่ 20 มิถุนายน พ.ศ. 2554

คณิตคิดสนุก ข้อ 18

อีกรูปแบบของอนุกรมเลขคณิตคะ ลองทำดูนะคะ

จงหาผลบวกของอนุกรมเลขคณิตต่อไปนี้คะ
1.)  1 + 3 + 5 + ... + 99
2.) 200 + 190 + 180 + ... + (-50)

อาจจะต้องใช้ตัวเลขในการคิดคำตอบเยอะหน่อยนะคะ แต่ก็ไม่เกินความสามารถของคนเก่งของครูทุกคนหรอกคะ เชื่อได้เลย....

94 ความคิดเห็น:

  1. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  2. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  3. 1.7 9 11 13 15 17 19 21 23 25 29 31 33 35 37 39 41 43 45 49 51 53 55 57 59 61 63 65 67
    2.170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40

    ตอบลบ
  4. 1.7 9 11 13 15 17 19 21 23 25 29 31 33 35 37 39 41 43 45 49 51 53 55 57 59 61 63 65 67

    2.170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40

    ตอบลบ
  5. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  6. ตอบ 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  7. 1. 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2. 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  8. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  9. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  10. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  11. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  12. ตอบ1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  13. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คร๊า

    ตอบลบ
  14. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  15. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  16. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  17. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  18. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,1,0,0,-10,-20,-30,-40

    ตอบลบ
  19. กันยา ไพเราะ22 มิถุนายน 2554 เวลา 14:36

    1. 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2. 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  20. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  21. ตอบ 1
    7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    ตอบ2.
    .170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,1,0,0,-10,-20,-30,-40

    ตอบลบ
  22. ตอบ 1
    7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    ตอบ2.
    .170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,1,0,0,-10,-20,-30,-40

    ตอบลบ
  23. นิกร ปะโหล
    7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  24. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  25. 1.7 9 11 13 15 17 19 21 23 25 29 31 33 35 37 39 41 43 45 49 51 53 55 57 59 61 63 65 67

    2.170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 -10 -20 -30 -40

    ตอบลบ
  26. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  27. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  28. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  29. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  30. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  31. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  32. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  33. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  34. ตอบ 1
    7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    ตอบ2.
    .170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,1,0,0,-10,-20,-30,-40

    ตอบลบ
  35. ศิริรัญดา วงศ์อุประ23 มิถุนายน 2554 เวลา 17:46

    1.2,500
    2.1,200

    ตอบลบ
  36. 1. 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2. 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  37. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  38. 1) 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,
    51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,
    93,95,97
    2) 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,
    -10,-20,-30,-40 ค่ะ

    ตอบลบ
  39. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  40. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  41. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40
    ค่ะ

    ตอบลบ
  42. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  43. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2. 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  44. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  45. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  46. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  47. 1. 7,9,11,13,15,17,19,21,23,25,27,29,31,
    33,35,37,39,41,43,45,47,49,51,53,55,
    57,59,61,63,65,67,69,71,73,75,77,79,
    81,83,85,87,89,91,93,95,97
    2. 170,160,150,140,130,120,110,100,90,
    80,70,60,50,40,30,20,10,0,-10,-20,
    -30,-40, คะ
    (จรินทร์ทิพย์ 5.1)

    ตอบลบ
  48. ดอกทับทิม ทัพอุดม24 มิถุนายน 2554 เวลา 19:59

    1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  49. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ครับ

    ตอบลบ
  50. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63
    ,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  51. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  52. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  53. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  54. พิชัยยุทธ สุดใจ26 มิถุนายน 2554 เวลา 09:42

    ตอบ
    1.4950
    2.1950 ครับ

    ตอบลบ
  55. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  56. สุภัสสรา โสลา26 มิถุนายน 2554 เวลา 16:04

    ตอบ
    1.4950
    2.1950 ค่ะ

    ตอบลบ
  57. ปวรรัตน์ ปานคำ26 มิถุนายน 2554 เวลา 16:19

    ตอบ
    1.4950
    2.1950 ค่ะ

    ตอบลบ
  58. ฐิตาพร พนมไพศาลสกุล26 มิถุนายน 2554 เวลา 17:50

    ตอบ
    1.4950
    2.1950 ค่ะ

    ตอบลบ
  59. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,71,73,75,77,79,81,83,85,87,89,91,93,95,97,
    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  60. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  61. นิจจารีย์ มูลเมา29 มิถุนายน 2554 เวลา 15:02

    1.2,500
    2.1,500

    ตอบลบ
  62. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  63. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  64. อนุพนธ์ ปวรรณา ม.5.4

    1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97,99
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ครับ

    ตอบลบ
  65. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  66. อนุชาติ สุภาศรี4 กรกฎาคม 2554 เวลา 21:14

    1*2500
    2*1200

    ตอบลบ
  67. (1.)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    (2.)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  68. ธนถาวร คำปัญญา7 กรกฎาคม 2554 เวลา 18:59

    (1.)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    (2.)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-4

    ตอบลบ
  69. วริศรา แสนนาง7 กรกฎาคม 2554 เวลา 19:01

    (1.)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97
    (2.)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-4

    ตอบลบ
  70. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  71. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  72. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  73. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  74. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  75. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  76. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  77. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40
    25 กรกฎาคม 2554, 18:21

    ตอบลบ
  78. 1. 7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2. 170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  79. 1)7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2)170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 คับ

    ตอบลบ
  80. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40 ค่ะ

    ตอบลบ
  81. 1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ
  82. นายฐิติกร คำต๊ะ25 กันยายน 2554 เวลา 12:42

    1.7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95,97

    2.170,160,150,140,130,120,110,100,90,80,70,60,50,40,30,20,10,0,-10,-20,-30,-40

    ตอบลบ