题型:解决问题 题类:常考题 难易度:普通
20以内的进位加法和退位减法569(10题)
0 | 5+1 |
10 | 4 |
6 {#blank#}1{#/blank#}2=8 | 10{#blank#}2{#/blank#}3=7 | 1 {#blank#}3{#/blank#}0=1 | 5 {#blank#}4{#/blank#}5=10 |
4 {#blank#}5{#/blank#}4=0 | 7 {#blank#}6{#/blank#}1=8 | 9 {#blank#}7{#/blank#}4=5 | 2 {#blank#}8{#/blank#}1=1 |
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