当前位置: > Given the 100 students in the Springdale High School senior class,38 students are taking math,45 stu...
题目
Given the 100 students in the Springdale High School senior class,38 students are taking math,45 students are taking psychology,and 12 students are taking both classes.How many students in the senior class are taking exactly one of the two classes?

提问时间:2020-07-26

答案
38-12+45-12=59
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.