解方程 5X=19/15 3/2x=18/5

解方程(x-3/x)-(3-x/x+1)=5x-15/2x+2 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7) 解方程 x(2x-4)+3x(x-1)=5x(x-3)+8 解方程 3x/x×x-1+x×x-1/3x=5/2 解方程：(x-2)(x^2-6x-9)=x(x-5)(x-3) 解方程：x(3x-4)+2x(x+7)=5x(x-7)+90 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程 2x+3x=18+4x解方程 解方程3(x-2)=5x(x-2) 解方程：(2-x)(3-x)(5-x)=51 解方程2x+3x+5x=32 (x+1)(x-3)=2x+5解方程 解方程:|x+2|-|3x+5|=x+1 解方程3X(X-5)=10-2X 解方程2X-(X+3(X-5)=75 MATLAb编程解方程clear;clcsyms xfor n=1:6X2=solve('(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)+1e-n*x^19=0',x);double(X2)end与直接代入n=1,2,...6算出来 matlab解数值分析题p=(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)解为1,2,3……,20取多个非常小的数用软件工具求解方程p（x）+n*x^19=0,并