试题 试卷
题型:填空题 题类:常考题 难易度:困难
一年级 1~~5的减法154
+ =2 + =5 + =
={#blank#}1{#/blank#} ={#blank#}2{#/blank#} ={#blank#}3{#/blank#}
0+2={#blank#}1{#/blank#}
0+{#blank#}2{#/blank#}=0
{#blank#}3{#/blank#}-0=3
0+{#blank#}1{#/blank#}=3
3-2={#blank#}1{#/blank#}
试题篮