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题型:填空题 题类:常考题 难易度:困难
乘法分配律(含用乘法分配律简算) 4902 10
81+791×9=
a×b + a×c ={#blank#}1{#/blank#}× ( {#blank#}2{#/blank#}+{#blank#}3{#/blank#} )
25×125×32 ={#blank#}1{#/blank#} 27×28+27×2 ={#blank#}2{#/blank#} (40+8)×125 ={#blank#}3{#/blank#}
573+428+27 ={#blank#}4{#/blank#} 35×101 ={#blank#}5{#/blank#} 44×25 = {#blank#}6{#/blank#}
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