试题 试卷
题型:填空题 题类:常考题 难易度:普通
乘法的交换、结合律4862 10
25×32×125
=25×(4×{#blank#}1{#/blank#})×125
=(25×{#blank#}2{#/blank#})×({#blank#}3{#/blank#}×125)
=100×1000
={#blank#}4{#/blank#}
①38+38×99
②4800÷160÷3
③678- 534+122
④125×32×25
⑤64×102
试题篮