The first week of classroom practice

Write a "software" that automatically generates arithmetic topics for primary schools, requiring that the arithmetic of true scores be supported in addition to integers.

Design idea: Randomly generate two-digit numbers, use random functions, and judge that when it is division, the denominator cannot be 0.

SOURCE program code:

#include <iostream>
using namespace Std;

void Main ()
{
int m,n,a;
for (int i=1;i<=30;i++)
{

M=rand ()%99;
N=rand ()%99;
A=rand ()%5;
if (a==1)
{
cout<<i<< "" <<m<< "+" <<n<< "=" <<endl;
}
if (a==2)
{
cout<<i<< "" <<m<< "-" <<n<< "=" <<endl;
}
if (a==3)
{
cout<<i<< "" <<m<< "*" <<n<< "=" <<endl;
}
if (a==4)
{
if (n==0)
{
N=rand ()%99;
}
cout<<i<< "" <<m<< "/" <<n<< "=" <<endl;
}
}

}

Forget how to generate random numbers in class.

The first week of classroom practice