80/x=2.5×80/(x+2.5)如何解
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80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)1/x=2.5/(x+2.5)
80/x=2.5×80/(x+2.5)如何解
80/x=2.5×80/(x+2.5)如何解
80/x=2.5×80/(x+2.5)如何解
80/x=2.5×80/(x+2.5)
1/x=2.5/(x+2.5)
2.5x=x+2.5
1.5x=2.5
x=5/3
2.5x-x=0.25 解方程如题
80/x=2.5×80/(x+2.5)
x-40%*80%=15如题
3x=2.5X+80方程解3x=2.5x+80.
2.5x+x=10.25 这题解方程怎么算呀求求求!2.5x+x=10.25 75%x-80乘60%=1.286%x-0.6x=52
80+60%x=110 2.5x+2.5x=1.86 x-20%x=12求解
3x*x=1600+x*x-80x
80除以x=2.5×80除以x+2.5
80/x=2.5×80/(x+2.5)如何解
x+x-2.5+x-4=85
x-25=80%x,x=?
x(120+x)*80％=x-76
60%X + 80%X - 12 = X
125x(80+8)=( )x( )+( )x( )
80%x+30-x=10%x
5*4x+x*x=80
536-120%x-x=x-80
x-0.2x=80 求x