原题格式好像不对哦,是不是这样:
3/4*8/9*15/16*24/25*.*99/100
=3/(2*2)*(2*4)/(3*3)*(3*5)/(4*4)*(4*6)/(5*5)*.*(9*11)/(10*10)
=1/2*11/10
=11/20
原题格式好像不对哦,是不是这样:
3/4*8/9*15/16*24/25*.*99/100
=3/(2*2)*(2*4)/(3*3)*(3*5)/(4*4)*(4*6)/(5*5)*.*(9*11)/(10*10)
=1/2*11/10
=11/20