试题 试卷
题型：填空题 题类：常考题 难易度：容易
一年级 1~~5的减法129
= =
{#blank#}1{#/blank#}＋{#blank#}2{#/blank#}＝{#blank#}3{#/blank#}
2＋2={#blank#}1{#/blank#}
2＋3=
={#blank#}1{#/blank#}
={#blank#}2{#/blank#}
试题篮
= 
=
={#blank#}1{#/blank#}
={#blank#}2{#/blank#}