找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
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找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
找规律4/3,-9/8,16/15,-25/24,36/35,第9个数_____
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
-49/48
-49/48