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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1818 10
七三十五
4×{#blank#}1{#/blank#}<25
{#blank#}2{#/blank#}×7<29
47<{#blank#}3{#/blank#}×8
4×{#blank#}1{#/blank#}=32 8×{#blank#}2{#/blank#}=48 {#blank#}3{#/blank#}×9=45
{#blank#}4{#/blank#}×6=60 {#blank#}5{#/blank#}×7=14
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