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题型:填空题 题类:常考题 难易度:普通
9的乘法口诀1885 10
{#blank#}1{#/blank#}×7=21
9×{#blank#}2{#/blank#}=45
4×6= 5×6= 6×6=
6×7 6×8= 6×9=
6×7= 9×9= 3×6= 2×6= 8×3+4=
36+4= 8×7= 2×2= 9+57= 3×4+9=
5×6= 18+60= 9×3= 5×5= 38-18+25=
41-2= 6×9= 8×5= 7×2= 7×5-3=
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