(1/69+2/71)×26+25÷71 简算
问题描述：
(1/69+2/71)×26+25÷71 简算
答
(1/69+2/71)×26+25÷71
=1/69×26+2/71×26+25×1/71
=26/69+(52/71+25/71)
=26/69+77/71
=1又2260/4899
题目错了吧对的