试题 试卷
题型:填空题 题类:常考题 难易度:普通
小数乘整数5732 10
①0.25×2.8
=0.25×(4×0.7)
=0.25×4×0.7
=1×0.7
=0.7
(应用了定律)
②51.25×0.8
=(50+1.25)×0.8
=50×0.8+1.25×0.8
=40+1
=41
5.9×101={#blank#}1{#/blank#}
①8.4÷1.2﹣1.8
②7.83÷0.8÷1.25
③18.9÷(9×0.6)
④9.27+3.5×6
⑤4.89×99+4.89
⑥32×(37.6﹣28.5)÷1.6
320×[(128+147)÷25]
28.5﹣5.6﹣4.4
12.5×0.25×3.2
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