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