在△ABC中,a、b、c分别为角A、B、C的对边,. (1)求角A的度数; (2)若a

在△ABC中,abc分别为角ABC的对边,.

(1)求角A的度数;

(2)若a=b+c=3,求bc的值.

答案

(1) (2)


解析:

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