(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解
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(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解(12-0.75x):[7.8-0.75x(x-2)]=5:3怎
(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解
(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解
(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解
(12-0.75x):[7.8-0.75x(x-2)]=5:3
5[7.8-0.75x(x-2)]=3(12-0.75x)
39-3.75x(x-2)=36-2.25x
3.75x*x-9.75x-3=0
5x*x-13x-4=0
x=
(12-0.75x):[7.8-0.75x(x-2)]=5:3怎么解
解方程x-0.75x=12
x-0.75x=12分之1
X-0.75X=12帮忙解下
12+0.75x=x+10
x-0.75x
x+0.75x/0.
解方程:(1)x-0.75x=12(2)2.8x+x=7.6(3)2.36x+2.64x=18(4)3.5x-1.5x=10.8
5x+2x=33.6,7x-4x=0.75,2x+7x+2.1=12,56x-32x-119=361,解方程
解方程 3.5 X—1.5 X=10.8 2.36 X+2.64 X=18 X—0.75 x=12 2.8 X+ X=7.6 、
4.2-0.6x=3.6x 5x+2x=33.6 7x-4x=0.75 2x+7x+2.1=12 56x-32x-119=361 x+5=2x 3x+9=6x 4x-28=2x 2x+18=7x 5x=25*4-15x 7x-x+2*3=29.4 (28.8+5.5x+3.2）除2=71
2.6x-x-0.1x=0.75
0.75x+x=17.5
x-25%x=0.75
x-0.75x=1.
X：0.75=12:15
5/12+x=0.75
17x+13=7x+38 1.9+0.75x-0.1=x 13x-3x=72=12x=30 9.4x-120=8.4x=17x-200 15.2x-0.8=7.4x+70.9x-0.5x+0.28=x+0.1