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【多选题】
若消费者张某消费X 和Y 两种商品的效用函数U = , 张某收人为5 0 0 元, X 和Y的价格分别为Px=2元,P Y =5元,求张某的消费均衡组合点。A.
X=125
B.
X=50
C.
Y=125
D.
Y=50
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A.
To get excused from an exam.
B.
To show the role that he acted in a new movie
C.
To show off his creativity on social media
D.
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A.
It was safe from enemy attack.
B.
It was convenient for river transport.
C.
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A.
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B.
She won a contest.
C.
Her family vacationed there.
D.
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