(-1)+(+2)+(-3)+(-3)+(+4)+……+(-2007)+(+2008)+(-2009)+(+2010)简便计算

1+2-3-3-3-3=? 1^3+2^3+3^3+...+99^3+100^3 2 1 -2 -3 1,1,1,2,2,2,3,3,3,填三阶幻方 (-1/3)^2除以(-1/3)^3*(1/3)^3除以3^-2*(-3)^0 3题 1、2、3 -1-{(-3)²-[3+(2/3)*(-3/2)]/(-2)} 计算 1,1/2,3/2,3/8,( ),( ) 1+1+2+2+3+3+````````````````````````````+99999 求和Sn=1+(1+3)+(1+3+3^2)+(1+3+3^2+3^3)+.+(1+3+3^2+3^3+...+3^n-1) [(2^3-1)(3^3-1)...100^3-1)]/[(2^3+1)(3^3+1)...(100^3+1)]=? 求四阶行列式：2 -1 3 2 3 -3 3 2 3 -1 -1 2 3 -1 3 -1 （2/3+3）(3-2/3x)+(-2/3-1)(1+2/3x) 比较大小(4/3)^1/3,2^2/3,(-2/3)^3,(3/4)^1/2 1+3+2+1+1x2+3 1/(2^3)+1/(2^3+1)+1/(2^3+2)+1/(2^3+3)+...+1/(2^4-1) (-4/3)*(-8+3/2-3/1) -8/3+2/3-3/1*24