4⼀9÷(5⼀6+1⼀2)×(7⼀8-5⼀16)简便

2025-04-18 17:13:23
推荐回答(2个)
回答1:

4/9÷(5/6+1/2)×(7/8-5/16)
=4/9÷11/12×11/16
=4/9×12/11×11/16
=4/9×3/4
=1/3

回答2:

=4/9x12/15x9/16
=1/5