试题 试卷
题型:填空题 题类:常考题 难易度:容易
20以内的进位加法和退位减法542(10题)
共有个
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}=15
{#blank#}3{#/blank#}+{#blank#}4{#/blank#}=12
{#blank#}5{#/blank#}+{#blank#}6{#/blank#}=17
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(条)
(按从左到右的顺序填写)
试题篮