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题型：填空题 题类：常考题 难易度：容易
7的乘法口诀1815 9
7×6=
五六三十，{#blank#}1{#/blank#}×5，{#blank#}2{#/blank#}×6
5×{#blank#}2{#/blank#}=15
6×{#blank#}3{#/blank#}=36
7的6倍是{#blank#}2{#/blank#}.
8×1 = 7×4 = 8×8 = 9×4 + 9 = 8×6+3 =
9×9= 8×7= 7×7= 6×5 – 5 = 8×4 – 5 =
5×4= 2×8= 5×9= 7+9+7= 9×8 – 8 =
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