x+1.4x=0.72未知数要怎么算

2025-12-13 01:50:15
推荐回答(4个)
回答1:


回答2:

X+1.4X=0.72
(1+1.4)X=0.72
2.4X=0.72
X=0.3

回答3:

x+1.4x=0.72
2.4x=0.72
x=0.3

回答4:

2.4x=0.72,所以x=0.3