计算 -1^4-【1-(1-0.5x1/3)】x6

1x1/2 +2x1/3 +3x1/4+ …… +8x1/9 +9x1/10简便方法计算 计算 -1^4-【1-(1-0.5x1/3)】x6 1/2X1/3+1/3X1/4+1/4X1/5+1/5X1/61/2X1/3+1/3X1/4+1/4X1/5+1/5X1/6简单的计算起来 0.5=1-exp(-((x1+1)/0.9705)^0.8282求x1,用什么计算? 4x1/4^n-4x1/4^n-1=-12/4^n怎样计算的 3.5x1.4+36.5x1.1+36.5xo.3如何用简便计算 纺织机械 4x1 1511 single channel .56” 4x1 .1x1 这个4x1 1x1 1x1/3+1/2x1/4+1/3x1/5.+1/19x1/21用简便方法计算等于多少 计算（-1X1/2）+（-1/2X1/3）+（-1/3X1/4）+.+（-1/2009X1/2010）的值了 计算（-1x1/2）+(-1/2x1/3)+(-1/3x1/4)+.+(-1/2004x1/2005)=（）（写过程） 1x1.1x1.1-1.1x1.1-0.11怎样简便计算 用简便方法计算：1.1x1.1x1.1-1.1x1.1-0.1 用规律计算(-1x1/2)+(-1/2x1/3)+(-1/2011x1/2012) 1x1/2+1/2x1/3+1/3x1/4+.+1/19x1/20=? (-1x1/2)+(-1/2x1/3)+(-1/3x1/4)+...+(-1/2004x1/2005)=? (-1x1/2)+(-1/2x1/3)+(-1/3x1/4)+...+(-1/2013x1/2014) 1x1/2+2x1/3+3x1/4+.+99x1/100 数学题1x1/2+2x1/3+3x1/4+.+99x1/100