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rt...lz是一个数学一直很烂的人,我对于数学的期望值也就在49,50吧,可是……
作为一个文科生,高中鬼使神差的进了一个理科实验班类似物,大学又神奇的被一个变态的要求所有文科生都去学工科数学的变态理工类大学录取,这二十年来数学带给我的除了折磨就是折磨啊!!!可是身为一个中国人,我怎能在一个老美的数学考试面前倒下???
马上要考试了,我真的不知道怎么办诶。并且我从来就没有会过排列组合,无语问苍天啊………………我该肿么办呢,除了看寂静我还能做点什么??诚心求指点!!!顺求解答几个小题,感谢!!!!!!!!
1.Of the 12 temporary employees in a certain company, 4 will be hired as permanent employees. If 5 of the 12 temporary employees are women, how many of the possible groups of 4 temporary employees consist of 3 women and 1 man?
题目看不太懂……求翻译&解答~答案是70
2.Alice's take-home pay last year was the same each month, and she saved the same fraction of her take-home pay each month. The total amount of money that she had saved at the end of the year was 3 times the amount of that portion of her monthly take-home pay that she did not save. If all the money that she saved last year was from her take-home pay, what fraction of her take-home pay did she save each month?
这个题也看不明白……同求翻译和解答……掩面 T T 答案是五分之一
感谢各位帮我解答的筒子!!!如果你8月16号不考GMAT的话,可不可以烦请借我RP用一用!!! THX again!!! |
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