9 + 10 = 21
9 = 3(A) x 3(B)
10 = 5(A) x 2(B)
3(A) x 5(A) = 15
3(B) x 2(B) = 6
15(A) + 6(B) = 21
9 + 10 = 21.
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@iLostMyXbox21 A proof prove 9 + 10 = 21.
9 + 10 = 21
9 = 3(A) x 3(B)
10 = 5(A) x 2(B)
3(A) x 5(A) = 15
3(B) x 2(B) = 6
15(A) + 6(B) = 21
9 + 10 = 21.
@iLostMyXbox21 A proof prove 9 + 10 = 21.