题型:单选题 题类:常考题 难易度:普通
20以内的进位加法和退位减法536(10题)
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}={#blank#}3{#/blank#} | {#blank#}4{#/blank#}-{#blank#}5{#/blank#}={#blank#}6{#/blank#} |
{#blank#}7{#/blank#}+{#blank#}8{#/blank#}={#blank#}9{#/blank#} | {#blank#}10{#/blank#}-{#blank#}11{#/blank#}={#blank#}12{#/blank#} |
10+4= | 19-4= | 4+12= | 13-2= |
18-6= | 5+10= | 12+6= | 17-7= |
16-2= | 11+3+4= | 14+4-5= | 15-10+12= |
17-3-3= |
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