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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 1854 10
{#blank#}1{#/blank#}×4=32 4×{#blank#}2{#/blank#} =20
{#blank#}3{#/blank#}×5=25 3×{#blank#}4{#/blank#} =24
4×8{#blank#}1{#/blank#}32 5×6{#blank#}2{#/blank#}5＋5＋5
8×8{#blank#}3{#/blank#}65 49－18{#blank#}4{#/blank#}5×7
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