Why does 7 x 9 = 63?

Because adding 7 9's together makes 63.

That is, because 91 + 92 + 93 + 94 + 95 + 96 + 97 = 63.

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Why does 7 x 9 = 63?

Because adding 7 9's together makes 63.

That is, because 91 + 92 + 93 + 94 + 95 + 96 + 97 = 63.

Keep practicing