x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5 9(x-7.3)=5.4
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x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5 9(x-7.3)=5.4
x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5
x-7.8=3.6 8x+4.7=15.9
1.6x-0.7x=4.5 9(x-7.3)=5.4
x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5 9(x-7.3)=5.4
x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5x-7.8=3.6 8x+4.7=15.9 1.6x-0.7x=4.5 9(x-7.3)=5.4
(x-3.6)/4=(x+4.8)/8x 求x
7.8x÷36=20.7.8x-4x=2x+3.6
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,
(X+X)+(X-X)+(X*X)+(X/X)=100
x-o.8x=6 12x-8x=4.8 3x-8=16 7.5x-2x x-0.7x=3.6 求答案
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
4.7x-1.2=1.7x+3.6
4.7x-1.2=1.7x+3.6
x*x*x*x*x=80000?
3.6X-2.3X=7.8
7.8x-2.4x=1.08 4(x+0.5x)=28 3.6x+4.5x=56.7 7.8x-2.4x=1.084(x+0.5x)=283.6x+4.5x=56.7
3x-3.8x+8x=3.6
(x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2
0.25x+3.6=x解x
3.6x*(2.1-x)=4.8x
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?