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题型:填空题 题类:常考题 难易度:容易
8的乘法口诀 1851 10
8×7=
口诀:
7×{#blank#}1{#/blank#}=35,
5× 5 ={#blank#}2{#/blank#}
5×7= 35+12 = 6×5= 6×9= 50-46=
45-3 = 24+25= 4×4= 8×2= 72-22=
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