C语言中定义三个变量a、b、c,如果a>10就加2,否则加1,b和a变化相同,c大...答:include <stdio.h>int main(){int a = 0, b = 0, c = 0;scanf("%d%d%d", &a,&b, &c);if(a > 10)a += 2;elsea += 1;if(b > 10)b += 2;elseb += 1;if(c > 21)c += 3;elsec += 2;printf("a*b*c=%d\n", a*b*c);return 0;}执行结果:...