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题型:填空题 题类:常考题 难易度:普通
一年级 20以内的退位减法766
+=19
16-=
-=8
(答案不唯一)
16-{#blank#}1{#/blank#}={#blank#}2{#/blank#} 16-{#blank#}3{#/blank#}={#blank#}4{#/blank#}
11–{#blank#}1{#/blank#}= 7 11–{#blank#}2{#/blank#}=4 {#blank#}3{#/blank#}+2=11
{#blank#}4{#/blank#}–9 = 2 {#blank#}5{#/blank#}–8 = 2 7+{#blank#}6{#/blank#}=11
3+{#blank#}7{#/blank#}=11 11–{#blank#}8{#/blank#}=6 {#blank#}9{#/blank#}–11 =0
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