一道初中数学动脑筋计算题如题 （1+1/2)*(1+1/4)*(1+1/6)*.*(1+1/100)*(1-1/3)*(1-1/5)*(1-1/7)*.*(1-1/99)
2019-04-15
一道初中数学动脑筋计算题如题
（1+1/2)*(1+1/4)*(1+1/6)*.*(1+1/100)*(1-1/3)*(1-1/5)*(1-1/7)*.*(1-1/99)
优质解答
=(1+1/2)*(1-1/3)*.*(1+1/98)*(1-1/99)*(1+1/100) =1+1/100 =101/100
=(1+1/2)*(1-1/3)*.*(1+1/98)*(1-1/99)*(1+1/100) =1+1/100 =101/100