0.3分之00.4(x-3)-0.04分之00.1x-0.2=1-2分之X减1问X等于多少

2025-05-20 10:42:22
推荐回答(1个)
回答1:

0.04(x-3)/0.3 - 00.1/0.04 - 0.2 = 1 - X/2 - 1
0.4(x-3)/3 - 0.25 - 2 = - X/2
0.4(x-3)/3 + X/2 =2.25
0.4x/3 - 1.2/3 + x/2 = 2.25
3.8x/6 = 2.25 + 0.4
1.9x/3 = 2.65
x = 1.3947......