1/3x-1/10*(100-x)=16
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1/3x-1/10*(100-x)=16
![1/3x-1/10*(100-x)=16](/uploads/image/z/7371093-21-3.jpg?t=1%2F3x%EF%BC%8D1%2F10%2A%EF%BC%88100%EF%BC%8Dx%29%3D16)
1/3x-1/10*(100-x)=16
1/3x-10+1/10x=16
13/30x=26
x=60
1/3x-10+1/10x=16
13/30x=26
x=60
x+2/x+3-x+1/x+2=x+8/x+9-x+7/x+8
已知x=100,求x(x+1)分之1+(x+1)(x+2)分之1+(x+2)(x+3)分之1+.+(x+99)(x+10
x+(3x-16)÷25%=10﹙x+1﹚x=? (请写出过程)
X+(3X-16)÷25%=10(x+1)
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
1X+2X+3X…+98X+99X+100X=50500X X等于多少?
1x+2x+3x+4x+5x+6x+7x…+99x=100
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
X-2分之X=X-5分之X-4怎么解?还有X减3分之X等于X减1分之X+1
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550