苏教版五年级下册数学课本第66页练一练答案
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2 2×3 6 ---- = -------- = ----- 3 3×3 9
5 5×1 5 ----- = ------- = ------ 9 9×1 9
2/3＞5/9
3 3×5 15 ---- = ------ = -------- 4 4×5 20
4 4×4 16 ----- =--------- = ---- 5 5×4 20
3/4＜5/6
3 3×3 9 ---- = ------- = ------ 10 10×3 30
1 1×5 5 ----- =-------- = ------ 6 6×5 30
3/10＞1/6 |
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