7⼀13除1⼀4*6⼀13除4怎么简便运算 7⼀13÷1⼀4×6⼀13÷4

2025-04-05 05:20:37
推荐回答(1个)
回答1:

7/13÷1/4*6/13=7/13*4*6/13.
=7*24/13^2.
=168/169
7/13÷1/4×6/13÷4=7/13×4×6/13×1/4.
=7/13×6/13×4×1/4.
=7×6/13^2.
=42/169.