试题 试卷
题型:填空题 题类:常考题 难易度:普通
9的乘法口诀1862 10
9+9 2×8 4×7 29-7 3×3
3双袜子有{#blank#}1{#/blank#}只.
4双袜子有{#blank#}2{#/blank#}只.
6双袜子有{#blank#}3{#/blank#}只.
8双袜子有{#blank#}4{#/blank#}只.
5双袜子有{#blank#}5{#/blank#}只.
9双袜子有{#blank#}6{#/blank#}只.
{#blank#}1{#/blank#}
2×2{#blank#}1{#/blank#}2+2 3+3{#blank#}2{#/blank#}3×3
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