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