a3*a4*a5=8 求a2*a3*a4*a5*a6有过程的最好_数学解答

a3*a4*a5=8 求a2*a3*a4*a5*a6
有过程的最好

人气：204 ℃　时间：2020-06-12 14:57:46

解答

a3*a4*a5=8,
(a4/q)*a4*(a4*q)=8,
(a4)^3=8
a4=2
a2*a3*a4*a5*a6
=a2*(a3*a4*a5)*a6
=a2*8*a6
=8*(a4/q^2)*(a4*q^2)
=8*(a4)^2
=8*2^2
=8*4
=32