x:3.6=7/8:0.75x:3.6=7/8:0.75
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x:3.6=7/8:0.75x:3.6=7/8:0.75
x:3.6=7/8:0.75
x:3.6=7/8:0.75
x:3.6=7/8:0.75x:3.6=7/8:0.75
x:3.6=7/8:0.75
0.75x=3.6x7/8
0.75x=3.6x0.875
0.75x=3.15
x=3.15÷0.75
x=4.2
x:3.6=7/8:0.75
0.75x=3.6×7/8
x=3.6×7/8÷0.75
x=4.2
x:3.6=7/8:0.75
x=3.6×7/8÷0.75=4.2
x:3.6=7/8:0.75
0.75x=3.6×7/8
0.75x=3.15
x=3.15÷0.75
x=4.2
(x-3.6)/4=(x+4.8)/8x 求x
四道方程:2x+6=5x 6x-28=2x 8(x-3.6)=0.8x 15x-110+7x=110
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
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
解方程4x+3.6﹦8x-4.8 75(x-0.75)=60x
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
x-o.8x=6 12x-8x=4.8 3x-8=16 7.5x-2x x-0.7x=3.6 求答案
0.25x+3.6=x解x
3.6x*(2.1-x)=4.8x
(x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?
(x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5)
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
求x 7x-3.6=2.5x+2.7
3x-3.8x+8x=3.6
(x+8)(x+6)(x+7)+(x+5)(x+6)(x+7)=(x+5)(x+8)(x+7)+(x+5)(x+8)(x+6)