1 1 2 4 ----- + ------ + ------- + -------- 1-x 1+x 1+x² 1+x四次方如题1 1 2 4----- + ------ + ------- + -------- 计算 1-x 1+x 1+x² 1+x四次方这是分式 ------- 是分数线 我实在不会打 今天就要结果

1/2,1/4, 1,2,4,4,1,( ) 1、1/2、1/4、1/7 (1-1/2^2)(1-1/3^2)(1-1/4^2).(1-1/2009^2), 1+1 2+2 3+1 4+4 51+1 1+2+3+4+1 1/2*2-1+1/4*4-1+1/6*6-1+...+1/50*50-1 (1+1/2+1/3+1/4+1/5)*(1/3+1/4+1)-(1+1/3+1/4)*(1/2+1/3+1/4+1/5) (1+1/2+1/3+1/40)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4)(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4),不好意思,是下面这个! [(1+2^-(1/32)]*[(1+2^-(1/16)]*[(1+2^-(1/8)]*[(1+2^-(1/4)]*[(1+2^-(1/2)] (1-1/2^2)*(1-1/3^2)*(1-1/4^2)*.*(1-1/2002^2)*(1-1/2003^2) (1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)(1+1/2^16), [2^4+1/4)(4^4+1/4)(6^4+1/4)(8^4+1/4)(10^4+1/4)】/[1^4+1/4)(3^4+1/4)(5^4+1/4)(7^4+1/4)(9^4+1/4)] 1/2 1/3 1/4是勾股数吗 1/3+1/2+1/4 1/2*1/3*1/4 1/2+1/3+1/4=? 1/2-3/1-4/1=