1x2x3······x100=
1个回答
#include
void main()
{
int sum=1,i;
for(i=2;i
相关问题
1x1+0x1+2x2+1x2+3x3+2x3+4x4+3x4……99x99+98x99+100x100+99x100
(1-1/2x2)(1-1/3x3).(1-1/100x100)
计算:1 1 1 1 1 ——+ ——+——+.+————+———— 1x2 2x3 3x4 99x100 100x10
1x2X3x……x100=?
解方程1/(x+1)(x+2)+1/(x+2)(x+3)+...+1/(x+99)(x+100)+1/x+100=199
x^2-x-1=100,x^3-2x^2=?
[1+1.2]+[2+1.2x2]+[3+1.2x3]+.+[99+1.2x99]+[100+1.2x100]=?
当X=-1时 求X+2X^2+3X^3+…+99^99+100X^100
(-1)x(-1)^2x(-1)^3x.x(-1)^100=
3x(1x2+2x3+3x4+…+99x100)=