试题 试卷
题型:填空题 题类:常考题 难易度:普通
乘法分配律(含用乘法分配律简算)4897
0.4×8.2×2.5-0.3
45÷(1.8-0.9) 2.4÷0.6-0.8×3 1.3÷1.25÷0.8
1.25×32×2.5 5.6×9+5.6 4.2÷0.3+4.2÷0.7
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