解方程: X锧7.75=11.5 59.4-2X=4.95 7X-25=13.5 9乘以8-4X=60 5乘以(X锧2)=32

2024-12-05 01:03:08
推荐回答(2个)
回答1:

列式计算
(36×2/3+36×2/3)÷48/49
=48×49/48
=49
29.4÷(4/5-0.9×2/3)
=29.4÷(0.8-0.6)
=29.4÷0.2
=147
17÷(2/3+3/4)
=17÷17/12
=12
(8-1/3÷4/9)×1.8
=(8-3/4)×1.8
=7.25×1.8
=13.05

回答2:

太乱了,手机打上来的字吗?