(1/51-2/87)除以1/29+22除以51如何简便运算
问题描述:
(1/51-2/87)除以1/29+22除以51如何简便运算
答
(1/51-2/87)除以1/29+22除以51
=(1/51-2/87)×29+22/51
=29/51+22/51-2/87×29
=1-2/3
=1/3