试题 试卷
题型:填空题 题类:常考题 难易度:容易
乘法的交换、结合律4888 10
(16×15)×4=16×( × )
45+55= 25×6= 200÷8= 25×15×2=
4×25= 123+77= 219+281= 191-56-44=
235-97= 23×15×2=
①38+38×99
②4800÷160÷3
③678- 534+122
④125×32×25
⑤64×102
29×25×4=({#blank#}1{#/blank#}×{#blank#}2{#/blank#})×29
△×□+◇×□=□×({#blank#}3{#/blank#}+{#blank#}4{#/blank#})
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