试题 试卷
题型:填空题 题类:常考题 难易度:困难
20以内的进位加法和退位减法466(10题)
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
6
8
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
{#blank#}5{#/blank#}
16
{#blank#}6{#/blank#}
{#blank#}7{#/blank#}
试题篮