#include <iostream>
int main() {
int a1=5,a2=5,a3=5,a4=10;
int sum1, sum2, sum3;
printf("Input your number: a1 \n");
scanf("%d",&a1);
printf("Input your number: a2 \n");
scanf("%d",&a2);
printf("Input your number: a3 \n");
scanf("%d",&a3);
sum1=a1+a4;
sum2=a2*a3;
printf("%d+%d=%d\n",a1,a4,sum1);
printf("%d-%d=%d\n",a2,a3,sum2);
return 0;
}
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