试题 试卷
题型：解决问题 题类：常考题 难易度：困难
一年级 1~~5的减法155
＝ (个)
{#blank#}1{#/blank#}.
{#blank#}2{#/blank#}.
{#blank#}3{#/blank#}.
{#blank#}4{#/blank#}.
试题篮
＝ 
{#blank#}1{#/blank#}.
{#blank#}2{#/blank#}.
{#blank#}3{#/blank#}.
{#blank#}4{#/blank#}.
