作文:
1。Issue: 38. Courtesy is disappearing from everyday interaction….
2。Argument: 52. The construction of shopping mall in Oak City is a mistake….
数学有好几道jj,我只把浪费了我一些时间,过去机经上没有的记录下来,望后来的XDJM小心:
1。直角三角形,X 2。一个租车公司,租车是5lots, 把旧车处理给某公司是3lots, 已知该公司什么是14lots, 问该公司做了多少transaction。说实话没看懂,我按照14/(5-3)=7选了答案,不知是否正确。(此题曾在几经上见过,也不准确)
3。已知^x^代表了大于等于x的最小整数,又知道^x^=0,求x的取值范围。(-1 4。DS:有一组数,the mean of the 5 largest numbers is 5, the mean of the 5 least largest number is 3, what is the mean of these numbers?
A) there are 11 numbers in this set
B) the largest number is 6, the least largest number is 2 (我选了E)