试题 试卷
题型:填空题 题类:常考题 难易度:容易
9的乘法口诀1880 10
7×99×3
2×96×3
8×76×9
72,66,{#blank#}1{#/blank#},{#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#},{#blank#}5{#/blank#},{#blank#}6{#/blank#},{#blank#}7{#/blank#},{#blank#}8{#/blank#},{#blank#}9{#/blank#},6,0
7×2+7={#blank#}1{#/blank#} 7×3+7= {#blank#}2{#/blank#}
7×6+7={#blank#}3{#/blank#} {#blank#}4{#/blank#}×5+7=42
5{#blank#}1{#/blank#}3=15 6{#blank#}2{#/blank#}4=10 2{#blank#}3{#/blank#}6=12
2{#blank#}4{#/blank#}2=4 3{#blank#}5{#/blank#}3=0 4{#blank#}6{#/blank#}3=12
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