5/11×(3/1-2/1)×11/3÷4/5
问题描述:
5/11×(3/1-2/1)×11/3÷4/5
答
5/11×(3/1-2/1)×11/3÷4/5
=5/11×(-6/1)×11/3×5/4
=-25/2