108-7X=24

x+(x+24)+(x+4)/2=7x 24x+9.6x=84 14.3x-7.6x=33.5 7x+8x-10x=70 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. X^3-7X^2+18X-24=0 7x-24=x^2+5x 解方程x(x-7)=3x+24 2x(5-4x)+5x(7-2x)=9x(8-2x)-108 的方程 解方程（x²+3x+2)(x²-2x-1)(x²-7x+12)+24=0 7X-3X=24 8X+6X=32.2 X-0.84X=21.6 2.2X+X=9.6 (x-22)+(x-24)+(x-27)+(x-20)=x x+6x=8.4 2.4x+x=27.2 9x-4.2x=24 x-0.6x=4.8 8.6x-4.6x=10.4 7x 2x=(5x-24)*7／16 2/5x=(x-24)*7/16