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