△ABC中,内角A,B,C成等差数列,其对边a,b,c满足2b^2=3ac,求A. 求详解
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△ABC中,内角A,B,C成等差数列,其对边a,b,c满足2b^2=3ac,求A. 求详解
△ABC中,内角A,B,C成等差数列,其对边a,b,c满足2b^2=3ac,求A. 求详解
△ABC中,内角A,B,C成等差数列,其对边a,b,c满足2b^2=3ac,求A. 求详解
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