试题 试卷
题型:填空题 题类:常考题 难易度:容易
小数乘、除法的意义及计算6768 10
0.5×0.4÷0.5×0.4
=(0.5×0.4)÷(0.5×0.4)
13.5×2.1
42÷3.5+28÷3.5
1.25×2.5×3.2
(80-60÷20)×12.5
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