7⼀9除14⼀15+7⼀9 X 15⼀14=?,要有过程

2025-01-04 06:54:13
推荐回答(3个)
回答1:

解7/9÷14/15+7/9 X 15/14
=7/9×15/14+7/9 X 15/14
=2×7/9×15/14
=14/9×15/14
=15/9
=5/3

回答2:

= 7/9× 15/14 + 7/9× 15/14

=(7/9+7/9)× 15/14

= 14/9 × 15/14

=15/9

有疑问请追问

回答3:

7/9÷14/15+7/9 X 15/14
=7/9×15/14+7/9 X 15/14
=7/9×(15/14+15/14)
=7/9×15/7
=5/3