试题 试卷
题型：解决问题 题类：常考题 难易度：困难
3、4的乘法口诀(2——5的乘法口诀) 1576 10
20＞{#blank#}1{#/blank#}×7 {#blank#}2{#/blank#}×5＜38
{#blank#}3{#/blank#}×5＜35 7×{#blank#}4{#/blank#}＜45
{#blank#}1{#/blank#}×4<23 {#blank#}2{#/blank#}×7 <57
5×{#blank#}3{#/blank#}<28 60＞{#blank#}4{#/blank#}×9
试题篮
