How many pairs of whole numbers equal the sum of 40?

Question

How many pairs of whole numbers equal the sum of 40?

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Jezebel 3 years 2021-09-05T08:53:14+00:00 2 Answers 60 views 0

Answers ( )

  1. thnahdat
    0
    2021-09-05T08:54:17+00:00
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    Answer:

    20

    Step-by-step explanation:

    1. 20+20
    2. 21+19
    3. 22+18
    4. 23+17
    5. 24+16
    6. 25+15
    7. 26+14
    8. 27+13
    9. 28+12
    10. 29+11
    11. 30+10
    12. 31+9
    13. 32+8
    14. 33+7
    15. 34+6
    16. 35+5
    17. 36+4
    18. 37+3
    19. 38+2
    20. 39+1
  2. Gerda
    0
    2021-09-05T08:54:45+00:00
    Reply

    Answer:

    sdwyhcfgbdcdc

    Step-by-step explanation:

    efew

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )