题型:填空题 题类:常考题 难易度:普通
20以内的进位加法和退位减法494(10题)
9 | 2 | 11 |
7 | 7 | |
6 | 7 | |
4 | 12 | |
6 | 15 |
7 | 3 | 2 | 4 | 9 | 9 | 6 | 8 | |
6 | 9 | 8 | 7 | 2 | 9 | 6 | 5 | |
得 | {#blank#}1{#/blank#} | {#blank#}2{#/blank#} | {#blank#}3{#/blank#} | {#blank#}4{#/blank#} | {#blank#}5{#/blank#} | {#blank#}6{#/blank#} | {#blank#}7{#/blank#} | {#blank#}8{#/blank#} |
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