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