100.8%x+101.1%=42*101%怎么解
问题描述：
100.8%x+101.1%=42*101%怎么解
答
1.008x+1.011y=42.42 (1) x+y=42 (2) 所以1.008x+1.008y=42.336 (3) (1)-(3) 0.003y=0.084 y=28 x=42-y=14
100.8%x+101.1%=42*101%怎么解
1.008x+1.011y=42.42 (1) x+y=42 (2) 所以1.008x+1.008y=42.336 (3) (1)-(3) 0.003y=0.084 y=28 x=42-y=14