试题 试卷
题型:判断题 题类:常考题 难易度:普通
乘法的交换、结合律4859 10
32×25=4×25×8
(16×15)×4=16×({#blank#}1{#/blank#} ×{#blank#}2{#/blank#} )
(49×2)×5=49×({#blank#}1{#/blank#}×{#blank#}2{#/blank#})
125×({#blank#}1{#/blank#}×8)=({#blank#}2{#/blank#}×{#blank#}3{#/blank#})×7
125×16={#blank#}1{#/blank#}
①28.5+7.06+12.94
②63×37+63×63
③25×125×32
④55-12.72-2.28
⑤14.5-(4.5+2.8)
⑥101×27
试题篮