|
这些题在讨论贴中都没找到哦不知道怎么会是啊?? 1.For all positive integers m,m#=3m when m is odd and m#=0.5m when m is even.which of the following is equivalent to 9#乘以6#? answer:27(这道题是不是答案错了?为什么我怎么都算不出来呢? 2.According to the direction on a can of frozen orange juice concentration,1 can of concentration is to be mixed with 3cans of water to make orange juice. How many 12-ounce cans of the concentration are required to prepare 200 6-ounce serving of the juice? answer:25(这道题我完全没弄明白是什么意思啊?nn帮我讲讲啊。。。) 3.In a certain deck of cords,each card has a positive integer written on it .In a multiplication game, a chils draws a card and multiplies the integer on the card by the next larger integer.If each possible product is between 15 an 200 ,then the last and greatest integer on the cards could be? answer:4 and 13(这道题也是,。。很困惑阿?完全不知道怎么下手阿。。。55555) 4.Six countries on a certain region sent a total of 75 representives to an integer congresss, and no two countries sent the same number of representives .Of the six countries,if the country A sent the second grestest number of representives, did country A sent at least 10 representives? (1)One of the six countries sent 41 representives to the congree. (2)Country A sent fewer than 12 representives to the congress. answer:E 5.Each of the students in the certain class receives a single grade of P,F,or I ,what percent of the students o\in the class were female/ (1)of those who received a P,40 percent were females. (2)of those who receives either an F or I,80 percent were males. answer:E 无限感激帮助我的好心人哦。。。555555。。这些题我都没找着在有讨论。。。先谢谢大家了!!!  |