C语言 结构体答:include<stdlib.h> include<stdio.h> struct vect{ int v1;int v2;int v3;};int main(){ vect myVector,myvect;myVector.v1=10;myVector.v2=20;myVector.v3=30;printf("%c%d,%d,%d%c\n",'(',myVector.v1,myVector.v2,myVector.v3,')');myvect=myVector*5;printf("%c%d,%d,...