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? asked in Science & MathematicsMathematics · 10 years ago

what 3 numbers can you add to get 21 five times?

2 Answers

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  • michel g
    10 years ago

    34 + 35 + 36 = 21*5 = 105

  • Anonymous
    10 years ago

    1+18+2

    14+3+4

    10+5+6

    8+9+4

    7+11+3

    hope this helped (:

    there's probably a lot more lol

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