Re: [計量] 請問兩題PP計量
※ 引述《asdjkl ( )》之銘言：
: 110.
: If z^n = 1, what is the value of z ?
: (A) n is a nonzero integer.
: (B) z > 0
: 答案A
: (A)成立的話 Z不就有兩個值了嗎(1或-1)
: 我本來選(c) 這樣z=1
(A) 任何數字的0次方都是1...
但是只有1不管是幾次方都是1
-1的三方是-1
(B) Z>0可是不知道幾次方，是解不出來滴，n可以為分數，根號，負數，可能可以得到1
: 116.
: An insurance company has a contract with a medical laboratory to pay
: a discounted price for a certain medical test performed on patients
: referred to the laboratory by the insurance company.
: If the laboratory's original bill for this medical test on a patient
: referred by the insurance company is $230, what is the percent discount
: specified by the contract between the laboratory and the insurance company?
: (1) The insurance company is required to pay only 20 percent of the original
: bill for the test.
: (2) The insurance company is required to pay $46 for the test.
: 答案D
: 看不太懂題目在說啥^^"
: 謝謝唷
有個保險公司和醫療實驗是有合約，針對一個醫療檢驗有打折
若是原來實驗室的檢驗要和保險公司請款230大洋，那合約中到底打幾折勒？
(1) 保險公司只要花原來的20%就可以了
(2) 保險公司只要付46大洋就可以了
所以兩個都可以得出答案
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可以吃嗎？
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10/06 02:31, , 1F
10/06 02:31, 1F
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