标题: 又想起seveal math questions [打印本页] 作者: nini4 时间: 2003-4-29 08:18 标题: 又想起seveal math questions
还考到了fewer than and less than 得区别。
1.the number of people few than
b. less than
2. as many as de的用法
一个公司的男性占了总人口的25%， 销售人员占了总人口的50%。
问公司的人数。
a. 销售人员中游7 个是男的
b. 忘了
n=x^a y^b, 问世不是two 连续的奇数的乘积
a. a plus b is even
b. a mltiple b is even
a company bought a coat at whole sale price of 120 dollars. then sold it out at 20 percent off the retail price. the sold out price is the whole sale price's 40%, ask the retail price.
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