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【单选题】
若函数(1)是方程(2)的通解,则( )A.
a=-5；b=6
B.
a=5；b=-6
C.
a=5；b=6
D.
a=-5；b=-6
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A.
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has gone
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A.
to go
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go
D.
went
【简答题】以下交易形式中，属于货币性资产交换的是( )。 A.以准备持有至到期的债券投资与原材料交换 B.以库存商品和准备在一个月内转让的交易性金融资产交换 C.以无形资产和投资性房地产交换 D.以固定资产和长期股权投资交换
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