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题型:填空题 题类:常考题 难易度:普通
用9的乘法口诀求商1978 10
÷=÷=÷=6
2+2{#blank#}1{#/blank#}2×2
3×3{#blank#}2{#/blank#}3+3
2×4{#blank#}3{#/blank#}4×2
2×1{#blank#}4{#/blank#}3×1
6×5{#blank#}5{#/blank#}6+5
A.42 B.9 C.18
8×9{#blank#}1{#/blank#}9×9 6×6{#blank#}2{#/blank#}5×7 4×3{#blank#}3{#/blank#}6×2
72-48{#blank#}4{#/blank#}44 5×9{#blank#}5{#/blank#}54 5×1{#blank#}6{#/blank#}5+1
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