0.25*(2/X)=2.5

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0.25*(2/X)=2.50.25*(2/X)=2.50.25*(2/X)=2.50.25*(2/X)=2.5;2/x=10;x=2/10;x=1/5;很高兴为您解答,skyhunter002为您答

0.25*(2/X)=2.5
0.25*(2/X)=2.5

0.25*(2/X)=2.5
0.25*(2/X)=2.5;
2/x=10;
x=2/10;
x=1/5;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,

0.25*(2/X)=2.5
2/x = 2.5 /0.25 = 10
x = 2/10 = 0. 2

X分之0.5=2.5
2.5X=0.5
X=0.5÷2.5
X=0.2
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0.5/x=2.5;x=0.2;

2*x*x+2.5x=13 x=? 0.25*(2/X)=2.5 3道简单的分式方程,1.3/(1-x^) = 2/(1+2x+x) - 5/1-2x+x^2.5x/(x^+x-6) + (2x-5)/(x^-x-12) = (7x-10)/(x^-6x+8)3.(x+1)/(x+2) + (x+6)/(x+7) = (x+2)/(x+3) + (x+5)/(x+6) 2x:16-2x=2.5x:20-2.5x x=爱克斯（未知数）解方程：2x^2=3x+2；0.25X^2+2.5x-6=0;(x+2)^2=6x+7;x^2-2根号3x-6=0 81x-342=76(x-2) 0.3x+7x-0.25x=21.15 0.25x/x-2.5*0.6=0.5 f(x)=x^2+x (x 0.3(x+1)+0.25(100-x)=2/5x 2X+2.5(x+0.04)=11.1X=多少 2(x+1)-(3-x)=2(1.5x-2.5) 4-x=2(-0.5x²+2.5x-2) x-2.5=9.5-2x 19.8x+0.2x=2.5×2 2(x+2.5)=5x x/2-x/2.5=50 160乘25%-1.3x=17.9 x/5-x/6=0.4 3(x+2)=40+11 0.3/0.5=x+1/2x-1 2.5/（x—0.5）=25% 1/3:0.25=80%：x160乘25%-1.3x=17.9x/5-x/6=0.43(x+2)=40+110.3/0.5=x+1/2x-12.5/（x—0.5）=25%1/3:0.25=80%：x 解方程X-0.5X=15 X-0.8X=10 2.5X+2X=9