X÷36=4/9÷10%

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X÷36=4/9÷10%X÷36=4/9÷10%X÷36=4/9÷10%

X÷36=4/9÷10%
X÷36=4/9÷10%

X÷36=4/9÷10%

当x=9/2时,求(x^2+7x+10)/(x^2+6x+5)×(x^3+1)/(x^2+4x+4)÷(x^2-x+1)/(x+2) x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3 解方程,3.6+x=10 x÷9=12 7x=9.8 4x=36 x-108=2解方程,3.6+x=10 x÷9=12 7x=9.8 4x=36 x-108=27 x÷13=650,这6道帮我解解答 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=7.2 130%x+x=4.6 x÷50%=10 x/9-x/15=16% 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 36÷4/9-x=10 计算(2x的2次方-1)(x-4) 化简x(x-1)+2x(x+1)-3x(2x-5)化简,再求值:x的2次方(x-1)-x(x的2次方+x-1),其中x=2分之1解方程:-3x(2-x)=x(3x-1)+512(a-b)的5次方÷3(a-b)的4次方(4×10的9次方)÷(-2×10的3次方) 化简 [3x/(x+2)-x/(x=2)]÷x/(x^2-4)化简 [3x/(x+2)-x/(x-2)]÷x/(x^2-4 10+x=3、x-2=-5、-9x=36、x÷4=7、12-x=8、(-40)÷x=8,怎么计算?请说明基本原理及其公式? 10+x=3、x-2=-5、-9x=36、x÷4=7、12-x=8、(-40)÷x=8,怎么计算?请说明基本原理及其公式?谢谢 x-2/(x^2-9)(1+(2x-7/x^2-4x+4)÷(x+1)/(x+3)其中x=2010 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 先化简,再求值:(1)(x+1/x²-x-x/x²-2x+1)÷1/x,x=根号2+1 (2)(1+x-3/x+3)÷2x/x²-9 x=根号3+3 (3)4-x/x-2÷(x+2-12/x-2)x=根号3-4 (4)x-3/2x-4÷(5/x-2-x-2) x=根号3-2 (1)计算:(5x)/(3y)*(-9y)/(10x^2) (2)化简:(x+1)/(x)÷(1)/(x^2-x)(3)计算:(1+m)/(1-m)*(m^2-1)的结果(4)化简:x^2/y-x-y^2/y-x的结果(5)计算:(2-x)/(x^2-4)+(x+3)/(2+x)= 数学“求未知数” 10-4X=5X+73 15X=54-9X 14x-14乘31=58 20+5X-4=36 20÷(10÷X)=4 4x+x-14+6=32例如:(X+5)÷2=25X+5=25乘5X+5=5050-5=45 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 6X-54=30 7X-36=13 3.5X+4=4.7 2X- 16=23 (X-9)÷7=6 (X+3)÷5=45 0.3X÷2=9 3x2.1+2X=13.49x(X-6)=54 4x(X+8.2)=40.5要地等式