※ 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 -- 什麼是簽名檔 可以吃嗎？ --

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