1、计算(1-1/2²)(1-1/3²)...(1-1/1999²)(1-1/2000²)
2、计算(1+1/2)(1+1/2²)(1+1/2四次方)(1+1/2八次方)+1/2十五次方
3、计算(2+1)(2²+1)(2四次方+1)...(2的2N次方+1)
4、计算6(7+1)(7²+1)(7四次方+1)(7八次方+1)+1
1、计算(1-1/2²)(1-1/3²)...(1-1/1999²)(1-1/2000²)
2、计算(1+1/2)(1+1/2²)(1+1/2四次方)(1+1/2八次方)+1/2十五次方
3、计算(2+1)(2²+1)(2四次方+1)...(2的2N次方+1)
4、计算6(7+1)(7²+1)(7四次方+1)(7八次方+1)+1