假设实数a1 a2 a3 a4是等差数列,满足0

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假设实数a1a2a3a4是等差数列,满足0假设实数a1a2a3a4是等差数列,满足0假设实数a1a2a3a4是等差数列,满足0f1(a2)=(a1)^(a2)a3=4=a1+2da1=4-2d1a1,

假设实数a1 a2 a3 a4是等差数列,满足0
假设实数a1 a2 a3 a4是等差数列,满足0

假设实数a1 a2 a3 a4是等差数列,满足0
f1(a2)=(a1)^(a2)
a3=4=a1+2d
a1=4-2d
1

a1,a2,a3,a4为等差数列,且0可求的2 而0所以a1的a2次方必定小于1