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题型:填空题 题类:常考题 难易度:容易
用7的乘法口诀求商1943 10
+ + =12, ={#blank#}1{#/blank#}
5÷5{#blank#}1{#/blank#}5+5
12-4{#blank#}2{#/blank#}12÷4
7×3{#blank#}3{#/blank#}28-7
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