乘法表 3 · 套题 21

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