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题型：填空题 题类：常考题 难易度：容易
8的乘法口诀 1830 11
8×7＝{#blank#}1{#/blank#}
7×7＝{#blank#}2{#/blank#}
8×6＝{#blank#}3{#/blank#}
4×7＝{#blank#}4{#/blank#}
{#blank#}1{#/blank#}×7<30 {#blank#}2{#/blank#}×6<45
{#blank#}1{#/blank#}×7<15 7×{#blank#}2{#/blank#}<48
7×{#blank#}3{#/blank#}<40 20>{#blank#}4{#/blank#}×7
29>7×{#blank#}5{#/blank#} {#blank#}6{#/blank#}×7<30
5×{#blank#}1{#/blank#}<22 {#blank#}2{#/blank#}×7<38
11>{#blank#}3{#/blank#}×6 {#blank#}4{#/blank#}×6<30
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