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? asked in Science & MathematicsMathematics · 10 years ago

what three numbers can be added to get 21?

using the numbers from 1-9 add three numbers to get 21.

5 Answers

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  • ?
    Lv 6
    10 years ago

    6 + 7 + 8 = 21

  • Silly Milly
    Lv 4
    10 years ago

    8 + 8 + 5

    7 + 7 + 7

    9 + 8 + 4

    9 + 9 + 2

    9 + 7 + 5

    9 + 6 + 6

  • Amy
    Lv 7
    10 years ago

    9, 8, 4

    9, 7, 5

    8, 7, 6

    Source(s): playing kakuro
  • David
    Lv 7
    10 years ago

    6, 7, 8

    7, 7, 7

    9, 9, 3

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  • Anonymous
    10 years ago

    easy 9,9,2

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