题型：判断题 题类：常考题 难易度：容易
笔算乘法（含估算，含连乘式题）3030 10
判断对错
172×4=488
|
× |
108 |
245 |
678 |
310 |
512 |
833 |
|
3 |
{#blank#}1{#/blank#} |
{#blank#}2{#/blank#} |
{#blank#}3{#/blank#} |
{#blank#}4{#/blank#} |
{#blank#}5{#/blank#} |
{#blank#}6{#/blank#} |
试题篮
