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题型:填空题 题类:常考题 难易度:普通
7的乘法口诀1801 10
10周=天
11周=天
7周=天
3周=天
7×{#blank#}1{#/blank#}>55
{#blank#}2{#/blank#}×5>44
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
6×3+6 = 7×4 – 7 = 7×5 +7 =
6×4 = 7×3= 7×6 =
4×6 = 3×7 = 6×7 =
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