关于ACT数学，同学们应该定期进行模拟练习，全面的考题使学生了解所有的题型分布，大量的练习为学生不断提高解题技巧和速度提供了保障。下面我们来看一下美国高考ACT数学题。

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　　 Mr. Dietz is a teacher whose salary is $22,570 for this school year, which has 185 days. In Mr. Dietz&apos&aposs school district, substitute teachers are paid $80 per day. If Mr. Dietz&apos&aposs takes a day off without pay and a substitute teacher is paid to teach Mr. Dietz&apos&aposs classes, how much less does the school district pay in salary by paying a substitute teacher instead of paying Mr. Dietz&apos&aposs for that day?

　　F. $ 42

　　G. $ 80

　　H. $ 97

　　J. $105

　　K. $122

　　解析：The correct answer is F. To find Mr. Dietz&apos&aposs pay per day, you can divide his salary, $22,570, by the number of days he works,185. His pay per day is 22570/185, or $122. When Mr. Dietz takes a day off without pay and the school pays a subsititute $80, the school district saves the difference in these amounts, 122-80, or $42.

　　正确答案选F。先算出Dietz先生每天的平均工资，用22570除以185(可用计算器)，即122美元。再用122美元减去学校需要支付临时老师的费用80美元，即可算出学校结余的费用，为42美元。

　　以上就是美国高考ACT数学题的详细内容，非常实用。要想ACT数学成绩有所提高，坚持每天做练习是十分必要的，就像这样每天完成ACT数学题，并进行总结，日积月累，成绩才会有提高。

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