|-3 1/7|×|+10 1/2|÷|-2 5/14|的化简
问题描述:
|-3 1/7|×|+10 1/2|÷|-2 5/14|的化简
答
原式=22/7*21/2÷33/14
=22/7*21/2*14/33
=22*21/33
=2*21/3
=2*7=14