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题型:填空题 题类:常考题 难易度:容易
3、4的乘法口诀(2——5的乘法口诀)1588 10
5×3=
3×8=
1×3=
5×8=
{#blank#}1{#/blank#}
27,24,21,18,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#}
{#blank#}1{#/blank#}×4<33 29>{#blank#}2{#/blank#}×8
{#blank#}3{#/blank#}×7<39 46>{#blank#}4{#/blank#}×9
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