题型:填空题 题类:常考题 难易度:困难
20以内的进位加法和退位减法483(10题)
填表(个数一定要对好)
应加或已有 | {#blank#}1{#/blank#} | {#blank#}2{#/blank#} | ||
应加或已有 |
| {#blank#}3{#/blank#} | {#blank#}4{#/blank#} | |
总计 | {#blank#}5{#/blank#} | 17 | 15 | 20 |
9 | 2 | 11 |
7 | 7 | {#blank#}1{#/blank#} |
6 | 7 | {#blank#}2{#/blank#} |
{#blank#}3{#/blank#} | 4 | 12 |
6 | {#blank#}4{#/blank#} | 15 |
试题篮