2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 00:05:03
![2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02](/uploads/image/z/1102702-22-2.jpg?t=2-%280.1X%2B0.2%29%2A0.5%3DX-%280.01X-0.01%29%2A0.02)
2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
200-50(0.1x+0.2)=100x-2(0.01x-0.01)
200-5x-10=100x-0.02x+0.02
189.8=105x-0.02x
x=949/524
2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
2-0.05X-0.1=X-0.0002X+0.0002
X-0.0002X+0.05X=2-0.1-0.0002
1.0498X=1.8998
X=1.8998÷1.0498
X=9499/5249
X=1又5249分之4250
2-(0.1X+0.2)*0.5=X-(0.01X-0.01)*0.02
200-50(0.1x+0.2)=100x-2(0.01x-0.01)
200-5x-10=100x-0.02x+0.02
189.8=105x-0.02x
x=949/524