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题型：单选题 题类：常考题 难易度：容易
用8的乘法口诀求商1970 10
25－5{#blank#}1{#/blank#}25÷5
42÷7{#blank#}2{#/blank#}42＋7
{#blank#}1{#/blank#}×5＜36 {#blank#}2{#/blank#}×7＜44
{#blank#}3{#/blank#}×4＜37 {#blank#}4{#/blank#}×8＜26
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