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题型:填空题 题类:常考题 难易度:容易
9的乘法口诀1882 10
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二{#blank#}1{#/blank#}得六
{#blank#}1{#/blank#}×2<11 8×{#blank#}2{#/blank#} <68 9×{#blank#}3{#/blank#}<38
{#blank#}4{#/blank#}×6<47 {#blank#}5{#/blank#}×7<36 3×{#blank#}6{#/blank#}<26
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