x÷0.8=2.25 怎么解方程?

2024-12-19 11:00:01
推荐回答(2个)
回答1:

解:解方程,此方程的解为x = 9/5,【即x = 1.8】
x ÷ 0.8 = 2.25

x ÷ 8/10 = (2×100+25)/100
x ÷ 4/5 = 225/100
x ÷ 4/5 = 9/4
x = 9/4 × 4/5
x = 9/5
∴x = 1.8
答:此方程的解为x = 9/5,【即x = 1.8】

回答2:

x÷0.8=2.25
x=0.8x2.25
x=1.8