x÷0.25-36=x÷0.36+30

x÷0.25-36=x÷0.36+30 解方程,5%x-7.5%x=22.5 25%x-7%x=36 2.3%x+x%=6.6 x-30%x=1.4 x÷50%=10 65%x-25%x=8 (x+x)+(x-x)+(x*x)+(x÷x)=81 解方程：8x -4.5÷0.2=16 3(x+30)=6x+30 3-(5-2x)=x+273x-(67-84x）-14=76 15-（7-5X）=2X（11-3X) X+(X+10)+(x+8)=36×3 11×（4-x)+15×（4-X）=30 2x+x+x÷3=36 x+x÷3+2x-30=180 解下列方程 x+0.4=2.1 3+x=6.2 x-2.4=4 5x=0.25 0.02x=8 x÷6=30 X÷48%=X+(X+32) (30+x)÷(120+x)=30% 化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 ﹚(12＋x﹚÷2=7 9×﹙x﹢6﹚=2x﹙14＋11x﹚ 168－5x=9x .x＋4=40－x－8 7×﹙x－2﹚=2x＋36×﹙2x－7﹚=5×﹙x﹢8﹚＋2 4.5－0.36x=6－0.51x 1500x=1200×﹙9－x﹚x÷5＋9=21 30÷x＋25=85 会做哪道就做哪道吧！ x÷25-x÷30=36怎么解, 设f(x)=x+2÷x(x (x²-x+1)÷(x²-x-1)=(x²+x)÷(x²+x-2)解方程 求未知数x的值(x+4)÷5=61.2×(x+5)=14.44.2x÷1.6-14=0.175(10-7.5)x=0.125×85x-20%x=19.281x-342=76(x-2)0.3x+7x-0.25x=21.15x÷1右5/18=2右8/231右2/3-1右7/30x=1右1/201/2x+1/3x=4 0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6（x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5）÷3=1.7 x=5（x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x= X×X－3X＋1=0求分式X×X÷〈X×X×X×X+3X×X+1〉 X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x)