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题型:解决问题 题类:常考题 难易度:普通
一年级 20以内的退位减法744
=
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}={#blank#}4{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
11-2= 13-4= 16-8= 13-6=
17-9= 12-9= 11-5= 15-9=
15-8= 17-8= 13-8= 14-6=
14-9= 11-7= 16-9= 13-9=
12-6= 12-4= 12-7= 14-7=
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