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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1808 10
7×3{#blank#}1{#/blank#}4×5 2×7{#blank#}2{#/blank#}7+7
6×7=42
6×7{#blank#}1{#/blank#}24 43-8-30{#blank#}2{#/blank#}15
42-36{#blank#}3{#/blank#}2×3 95-8{#blank#}4{#/blank#}8×5
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