试题 试卷
题型：填空题 题类：常考题 难易度：容易
用2--9的乘法口诀求商2171 11
×9＝45
56÷＝8
64÷＝8
{#blank#}1{#/blank#}×3=12 5×{#blank#}2{#/blank#}=40 4×{#blank#}3{#/blank#}=28
20=4×{#blank#}4{#/blank#} 30={#blank#}5{#/blank#}×{#blank#}6{#/blank#} {#blank#}7{#/blank#}×{#blank#}8{#/blank#}=35
28÷4= 7×8= 27-9= 5×5=
54÷6= 49÷7= 45÷9= 3×6=
8×5= 2×7= 41-5= 7×3=
9×5= 3×4= 54-9= 3×2=
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