Question

数列规律 -2 -1 2 7 14 （ ）0 4／27 16／125 36／343 （ ）

Answer 1

-2 + 1 = -1

-1 + 3 = 2

2 + 5 = 7

7 + 7 = 14

(0*0)/(1*1*1)

(2*2)/(3*3*3)

(4*4)/(5*5*5)

(6*6)/(7*7*7)