找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
问题描述:
找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
答
100/99 因为都是(n+1)^2/(n+1)^2-1
找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
100/99 因为都是(n+1)^2/(n+1)^2-1