(列式计算) 14⼀9÷23⼀7÷14⼀19 8⼀9-8⼀9x3⼀16

2024-11-28 17:40:46
推荐回答(1个)
回答1:

14/9÷23/7÷14/19
=14/9×7/23×19/14
=14/9×19/14×7/23
=19/9×7/23
=133/207

8/9-8/9x3/16
=8/9×(1-3/16)
=8/9×13/16
=13/18