(x-0.48)÷14.4=9
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(x-0.48)÷14.4=9(x-0.48)÷14.4=9(x-0.48)÷14.4=9x=9*14.4+0.48=130.08
(x-0.48)÷14.4=9
(x-0.48)÷14.4=9
(x-0.48)÷14.4=9
x=9*14.4+0.48=130.08
(x-0.48)÷14.4=9
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3
60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=10.5 6x+4×6=72 5x-16.5×3=25 x+4.8x=29 12.5x-0.9x=52.2 6x+9x-12x=2.37 8x-6=70 12x+48=132 4x+8x=14.4 5.8x-1.6x=12.6 3x+2x×12=42 6(2x-6)=12.6....
130%x+x=4.6 x÷50%=10 x/9-x/15=16%
先化简,再求值:9-x²/x²+6x+9÷x²-3x/2x+6-2/x²-x,其中x=6
计算:(-9x^2+3x)÷(-3x)=
x+9×(x÷12)=2800 x等于多少
1.2x+3=x-1.2.2x-1=-x+5.3.3分之14x-12X3=14.4.x-9分之4x=4.5÷7分之15要有过程哦
若x等于它的倒数则(x-1)(x+2)/x-1÷x^2-9/x+3=
若x等于它的倒数则(x-1)(x+2)/x-1÷x^2-9/x+3=
(x-1/x²+6x+9)÷(x²-1/x+3)=(x+1/2)
(x-1/x²+6x+9)÷(x²-1/x+3)=(x+1/2)
21分之10x÷3分之2=7分之3x-3分之1x-2分之1x=190x-53x=7408.5x-6.9x=43.3x-200=0.2x+1101.02+0.4x+2.6x=3.428.9x-67=4.5x+656x-58=3x+1410x-20=5x+806x+5=10x-3420-1.4x=9.8x-288.2x+5.4x=272
若x=3/x,则[(x^2-6x+9)/(x+3)]÷[﹙x-3﹚/﹙x^2+6x+9﹚]=?
若x=1/x,则(x²2-6x+9)/(x-3)÷(x+3)/(x²+6x+9)的值是
当X=1/X时 求分式 X²-6X+9/X-3 ÷ X+3/X²+6X+9 的值
x-2/(x^2-9)(1+(2x-7/x^2-4x+4)÷(x+1)/(x+3)其中x=2010
先化简,再求值:1/x+1-3-x/x²-6x+9÷x²+x/x-3,其中x=根号2.