(x-4.5)X0.375=0.75和x-0.52x=3.2X0.15怎么解
问题描述:
(x-4.5)X0.375=0.75和x-0.52x=3.2X0.15怎么解
答
1.
x=0.75/0.375+4.5=6.5
2.
x=3.2*0.15/(1-0.52)=1
答
(x-4.5)X0.375=0.75
x-4.5=0.75÷0.375
x-4.5=2
x=2+4.5
x=6.5
x-0.52x=3.2X0.15
0.48x=0.48
x=0.48÷0.48
x=1