求x+100=2[5(x-10-10-100)的答案（要过程）

3^x=2^x,求x.5^(x-1)·10^3x=8^x求x 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) 1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少 求x:x(10^x)=100 x=1/6x+1/10x+1/7x+5+1/2x+4 求x 已知x^2-3x+1=0求x^4-5x^3+10x^2-11x+5 2x×x=10,求x x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-16x=30x*x-7x-15 求x,可以只要答案.如图,全是正方形,一个边长为1,一个边长为4,求总面积,你也可以用你的方法.上面那个方程是我列的.5x*X+7X-72=0 已知f(x)=10x^2+8x^5-12x^3求：f(x)÷(-5x^2)和f(x)×（x^2-1)的值 f(X)=10x^2+8x^5-12x^3 求f(X)除以（-5x^2) f(x)乘以（x^2-1) 已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2+4x+4)]/[(x^2-x+1)/(x-2)] 10/150x-1=10/100x.求x 10x+x^2-100=0,求x 4x+5/2x=10,求x x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x 若x/1+x=10,求x^4+x^2+1/x^2的值 f(x)=(x-1)(x-2)(x-3).(x-10) 求f'(9)=?