//使用的是C语言 #include <stdio.h> #include<math.h> int main(){ long Num; float CLanguage,Math,English; scanf("%ld;%f,%f,%f",&Num,&CLanguage,&Math,&English); CLanguage = round(CLanguage*100)/100; Math = round(Math*100)/100; English = round(English*100)/100; printf(&qu...