[(29/5+1/2)-(3/5+12/5/2/3)]/7/10
<p>问题：[(29/5+1/2)-(3/5+12/5/2/3)]/7/10<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">马雪英的回答：<div class="content-b">网友采纳 原式=[(29/5+1/2)-(3/5+18/5)]/(7/10) =（29/5+1/2-21/5）*10/7 =（8/5+1/2）*10/7 =（16/10+5/10）*10/7 =（21/10）*（10/7） =3
页:
[1]