试题 试卷
题型:判断题 题类:常考题 难易度:容易
一年级 20以内的退位减法737
13-7=(4)
8+{#blank#}1{#/blank#}=17
{#blank#}2{#/blank#}+8=17
6+{#blank#}3{#/blank#}=14
{#blank#}1{#/blank#}多 - = (只){#blank#}2{#/blank#}
{#blank#}3{#/blank#}多 - = (个){#blank#}4{#/blank#}
试题篮