解方程 9/8-2x=3/4 6x-7/8=1/10 4/9x-1/3x=1 11/12+1/6x=4/3 (2-3/4
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解方程 9/8-2x=3/4 6x-7/8=1/10 4/9x-1/3x=1 11/12+1/6x=4/3 (2-3/4)x=4/5 4/7x+x=22/49
9/8-2x=3/4
2x=9/8-6/8
2x=3/8
x=3/16
6x-7/8=1/10
6x=4/40+35/40
6x=39/40
x=13/80
4/9x-1/3x=1
1/9x=1
x=9
11/12+1/6x=4/3
1/6x=16/12-11/12
1/6x=5/12
x=5/2
(2-3/4)x=4/5
5/4x=4/5
x=16/25
4/7x+x=22/49
11/7x=22/49
x=2/7
2x=9/8-6/8
2x=3/8
x=3/16
6x-7/8=1/10
6x=4/40+35/40
6x=39/40
x=13/80
4/9x-1/3x=1
1/9x=1
x=9
11/12+1/6x=4/3
1/6x=16/12-11/12
1/6x=5/12
x=5/2
(2-3/4)x=4/5
5/4x=4/5
x=16/25
4/7x+x=22/49
11/7x=22/49
x=2/7
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
方程(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x^2+8x+9)+64=0
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
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),
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
1x()+2x()+3x()+4x()+5x()+6x()+7x()+8x()加9x()+10x()=1980
1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少