310
351
0
10
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–— What can I do for you?—— I'd like two _______.A. box of apple B. boxes of applesC. box of apples D. boxes of apple
这道初中数学的题目是:如图所示,在△ABC中,CD、BE分别是AB、AC边上的高,并且CD、BE相交于点P,若∠A=50°,则∠BPC等于.