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题型:填空题 题类:常考题 难易度:容易
6的乘法口诀1761 10
6,12,18,24,27
7×{#blank#}1{#/blank#}=14 6×{#blank#}2{#/blank#}=42 8×{#blank#}3{#/blank#}=56 9×{#blank#}4{#/blank#}=18
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