题型：单选题 题类：常考题 难易度：容易
二年级 用2——5的乘法口诀求商1709
|
8 × 9={#blank#}1{#/blank#} |
6 × 7 ={#blank#}2{#/blank#} |
5 × 4 ={#blank#}3{#/blank#} |
9 × 7 -7 ={#blank#}4{#/blank#} |
|
5 × 6 ={#blank#}5{#/blank#} |
4 × 9 ={#blank#}6{#/blank#} |
7 × 8 ={#blank#}7{#/blank#} |
6 × 9 + 9 ={#blank#}8{#/blank#} |
|
32-8 ={#blank#}9{#/blank#} |
40 + 28 ={#blank#}10{#/blank#} |
56 + 9 ={#blank#}11{#/blank#} |
67-40 + 21 ={#blank#}12{#/blank#} |
2×{#blank#}1{#/blank#}=6×3 | 5＋5＋5={#blank#}2{#/blank#}×5 |
试题篮
