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