how many students are there in the class?In the english test 15 students get 100,and in the chinese test 8 students get 100.three students get 100 in both english and test and chinese test ,and 21 students don't get 100 in either English test or chinese test .
问题描述:
how many students are there in the class?
In the english test 15 students get 100,and in the chinese test 8 students get 100.three students get 100 in both english and test and chinese test ,and 21 students don't get 100 in either English test or chinese test .
答
32