怀疑打错了a1*a2*a3*a4=1 (1)
a13*a14*a15*a16=8 (2)
(2)/(1):
得(q^12)^4=q^48=8
q=16次根号2
设a41*a42*a43*a44=x (3)
(3)/(2):
(q^28)^4=x/8
2^(28*4/16)=2^7=x/8
x=2^10=1024
怀疑打错了a1*a2*a3*a4=1 (1)
a13*a14*a15*a16=8 (2)
(2)/(1):
得(q^12)^4=q^48=8
q=16次根号2
设a41*a42*a43*a44=x (3)
(3)/(2):
(q^28)^4=x/8
2^(28*4/16)=2^7=x/8
x=2^10=1024