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问题 填空题
如果点（1，-2）在双曲线y=
k
x
上，那么该双曲线在第______象限．
答案

∵点（1，-2）在双曲线y=

k
x
上，

∴k=xy=1×（-2）=-2＜0，

∴双曲线y=

k
x
位于第二、四象限．

故答案是：二、四．

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SALES CONFIRMATION
NO.:MH2009-1058
Date:July 3rd, 2009
The Buyer: Thunderain Worldwide Import & Export Corporation,
Buenos Aires, Argentina
The Seller: Shanghai Red Dragon Industrial & Trade Corporation
(1)

Mame of Commodity OuantityUnit Price Total Price
LCD TV set 43" 16:10 2000 SETS USD200/SETUSD400,000
Type:RD43W2000 CTNS
(Red Dragon Brand)


(2) Packing: In Cartons
(3) Port of Loading: Yang Shan Port, Shanghai, China
(4) Port of Destion: Buenos Aires Port, Argentina
(5) Shipping Mark: LCD MONITOR 43"16:10 CTN NO.1-2000
(6) Date of Shipment:Decenber 2009/By Sea
(7) Term of Payment:Letter of Credit(No.TR0069)
(8) Documents Required: Certificate of Quality by CIQ indicating the No.of L/C

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