5十xx8.5=76.8解方程

2025-06-27 00:13:05
推荐回答(2个)
回答1:

解:8.5x+5=76.8
8.5x=76.8-5
8.5x=71.8
x=71.8÷8.5
x=718/85

回答2:

8·5x=76·8-5=71·8
x=71·8|8·5=718|85