1.5X-X=0.2
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1.5X-X=0.21.5X-X=0.21.5X-X=0.2(1.5-1)x=0.2x=0.2/0.5x=0.4x=0.2除以0.5x=4x=0.41.5x-x=0.20.5x=0.2x=0.4
1.5X-X=0.2
1.5X-X=0.2
1.5X-X=0.2
(1.5-1)x=0.2
x=0.2/0.5
x=0.4
x=0.2除以0.5 x=4
x=0.4
1.5x-x=0.2
0.5x=0.2
x=0.4
1.5X-X=0.2
X+12=1.5x
1.5x-x=4.75
解方程1.5x=0.14-1.3x x-0.2=0.25x+2.8 3x+0.4=0.04解方程1.5x=0.14-1.3xx-0.2=0.25x+2.83x+0.4=0.04+7x
4x-1.5 5x-0.8 1.2-x --- - --- = ---- 0.5 0.2 0.4x-1.5 5x-0.8 1.2-x--- - --- = ----0.5 0.2 0.1
x+ x+(x*50%)=1.5X?
1.5x+5=x+30 x=?
1.5x加x=2.5x等于多少?
tan x=1.5 求sin x 和.cos x
x+1.5x=75,怎么算?
x+2=1.5x-2
11.5%x - 1.5%x
解下面方程 x+0.3=1.8 3+x=5.4 x-1.解下面方程x+0.3=1.8 3+x=5.4 x-1.5=4 x-6=7.6 5x=1.5 0.2x=6x÷1.1=3 x÷5=15
12x+3x=18+27 11x+40=100-9 9x+30=90+6x 2.5x-x=6+1.5 2x+18=7x+3 36+2x=7x-14
2(x+8)=3(x-1) 8x=-2(x+4) 2x-2/3(x+3)=-x+3 2(10-0.2(x+8)=3(x-1)8x=-2(x+4)2x-2/3(x+3)=-x+32(10-0.5y)=-(1.5y+2)的解
x-1.8=4.6 4+0.2x=30 8x-2x=25.2
4.5X-X=16.2检验 1.5X+18=3X检验
5(x-1)=x+1 0.4(x-0.2)+1.5=0.7x-0.38