[6X-0.5X]/2=360X-360-0.5X

6X-（360X-0.5X）=2×（360X-0.5X） 6X-（360X-0.5X）=2×（360X-0.5X）怎么算? 请问这道题咋做 ：（x）X (x+1) X (x+2) X (x+3) =360 [6X-0.5X]/2=360X-360-0.5X 3x^2-6x=360 x=? 3x^2-6x=360 x=? X.(X十1)x(X十2)x(x十3) =360 x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, x/x-2+x-9/x-7=x+1/x-1+x-8/x-6, 360x-360-0.5x=6x-360x-360 怎么解啊 6x-360（x-1)=360(x-1)-0.5x (x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x*(x+1)*(x+2)*(x+3)=360 x=?计算过程以及结果 (x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 小数奥数网xx(x +1)x(x+ 2)x(x +3)=360怎样算?