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259、 先定义了unemployment rate = people unemployed in US labor force/US labor force, 问这个月unemployed的人数是否increase? 我好像选的C
1)Labor force is more at the end of this month than it was at the beginning of the month
2)Unemployment is more at the end of this month than it was at the beginning of the month
260、 一个地方有car,XX,和YY三种东西,总数1200, 60%是cars. 然后说504 cars有auto transmission, 问what percent of cars in stock have auto transmission.
261、 坐标系内一条直线,斜率为2,在x-intercept=1/2, 求y-intercept
262、 y×n/(3x-6)=-1,求y。
263、 100的200次方和下面哪几项相等,选项有100的平方乘以10的100次方。。。还有一个想不起来了,只记得3个选项里面有2个满足。 |
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