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题型：填空题 题类：常考题 难易度：容易
8的乘法口诀 1824 10
7×{#blank#}1{#/blank#}=63
9×{#blank#}2{#/blank#}=63
7×8=7×7+{#blank#}1{#/blank#}
6×3=6×4－{#blank#}2{#/blank#}
7×3＝{#blank#}1{#/blank#}
6×7＝{#blank#}2{#/blank#}
18÷3＝{#blank#}3{#/blank#}
9×7＝{#blank#}4{#/blank#}
1×7=
7×7=
7×3=
7×2=
4×7=
5×7=
6×7-4=
7+7+7+7+2=
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