1-6. 곱셈
1 3 x 2 =
2 9 x 4 =
3 3 x 7 =
4 8 x 8 =
5 8 x 7 =
6 5 x 2 =
7 4 x 5 =
8 2 x 3 =
9 8 x 8 =
10 2 x 7 =
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