姓名 ______________________日期 ____________得分 ____ / 12
因数对练习
答案 — 因数对练习
因数对
2.1 × 40, 2 × 20, 4 × 10, 5 × 8
3.1 × 30, 2 × 15, 3 × 10, 5 × 6
6.1 × 56, 2 × 28, 4 × 14, 7 × 8
7.1 × 42, 2 × 21, 3 × 14, 6 × 7
8.1 × 54, 2 × 27, 3 × 18, 6 × 9
10.1 × 48, 2 × 24, 3 × 16, 4 × 12, 6 × 8
11.1 × 44, 2 × 22, 4 × 11
12.1 × 36, 2 × 18, 3 × 12, 4 × 9, 6 × 6
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