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题型:填空题 题类:常考题 难易度:容易
乘法的交换、结合律4860 10
(125×9)×8=9×(×)
①35×2×5= {#blank#}1{#/blank#}
②18×25×4 = {#blank#}2{#/blank#}
③22×30×44= {#blank#}3{#/blank#}
④60×(20×30)= {#blank#}4{#/blank#}
⑤326×50×8= {#blank#}5{#/blank#}
⑥42+99+68+1= {#blank#}6{#/blank#}
31×25×4×2={#blank#}1{#/blank#}
(45×25)×4=45×({#blank#}1{#/blank#}×{#blank#}2{#/blank#})
43×6×5=43×({#blank#}1{#/blank#}×{#blank#}2{#/blank#})
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