乘法表 7 · 套题 4

20 problems
1
1 × 3 =
2
2 × 4 =
3
8 × 10 =
4
2 × 9 =
5
1 × 1 =
6
1 × 10 =
7
3 × 1 =
8
10 × 9 =
9
6 × 7 =
10
1 × 6 =
11
5 × 6 =
12
8 × 1 =
13
3 × 5 =
14
4 × 8 =
15
4 × 7 =
16
3 × 5 =
17
10 × 5 =
18
5 × 7 =
19
3 × 9 =
20
8 × 7 =
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