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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1802 10
0,7,14,,,,,,,,,,84,91.
5×7读作5乘7,积是12.
7×3{#blank#}1{#/blank#}4×5 2×7{#blank#}2{#/blank#}7+7
6×7{#blank#}1{#/blank#}40
1×7{#blank#}2{#/blank#}8
7×5{#blank#}3{#/blank#}35
3×7{#blank#}4{#/blank#}12
7+7+7+7={#blank#}1{#/blank#}×{#blank#}2{#/blank#}={#blank#}3{#/blank#}.
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