7.9-6.3x=3.7x-2.7
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7.9-6.3x=3.7x-2.7
7.9-6.3x=3.7x-2.7
7.9-6.3x=3.7x-2.7
7.9-6.3x=3.7x-2.7
6.3x+3.7x=7.9+2.7
10x=10.6
x=10.6÷10
x=1.06
7.9-6.3x=3.7x-2.7
10.6=10x
X=1.06
7.9-6.3x=3.7x-2.7
(X+X)+(X-X)+(X*X)+(X/X)=100
13x-6.3x+x=46.8 x=多少
X+0.8X=2.7
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*x*x*x*x=80000?
2x+3.6*2=12.4 3(x+3.6)=18.6 x+3.5x=13.5 27x-4x=34.5 3x+2.8=4.3 12x-24=6 3x+9=10.5 5x+1.2=4.7 3*1.5+2x=11.55.4+1.8x=6.3 4.4x-2.7x=5.78 2.5x-3.6=6.4 2x+3.6*2=12.4 3(x+3.6)=18.6 x+3.5x=13.5
解方程:6.3x-4.9=2.7x+2.66
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
3.8+X=6.3 x-7.9=2.6 2.5X=14 x÷3=1.2
解下列方程:3.8+x=6.3 x-7.9=2.6 2.5x=14 x除以3=1.2 3.4x-48=26.8 2x-97=34.2 42x+25x=134
求x 的值.x +3.5x =9.9;4.25x -x =4.55;10x -2.7x =58.4;6.8x +3.2x =100
f(x)=x,x
x+x=x+15
X(X-1)=X
180=( )x( )x( )x( ) ×( )
7.9X等于2.7X X等于多少