Question

这个数学推理怎么算啊?-2,-8,0,64,

Answer 1

-2 -8 0 64 Z

-1*2^1 -2*2^2 0*2^3 4*2^4 x*2^5

-1 -2 0 4 x

-1*2+0=2

-2*2+4=0

0*2+x=4

x=4

Z=128 选