紧急求助tt gwd 3-29、36

fpig

以下是引用hellcomer在2006-7-16 12:20:00的发言：

Q29 (2)5000=300+(X-1000)0.05  so (2) is also OK. the anwer should be D.

Q36 A is the answer because M=2x2x3x3X3X5x5x7x7=100x3x3X3X7x7 while 600=100x2x3