The document contains 10 code snippets that demonstrate assigning values to variables and performing basic arithmetic operations on those variables in C++. Each snippet is preceded by the corresponding math operation from a list of 10 operations. The document also contains 10 logic expressions involving comparisons of variables using logical operators. Code snippets are provided to test each logic expression.

1. 1.
A=50 B=30 C=5 D=3 E = 10
1.1 (A+B)*(E-D) 1.6 --D+C+B--
1.2 ++D+C*E 1.7 25*D/5+10
1.3 (25+A)/C+B 1.8 A+B--+D
1.4 A*=D 1.9 C*2+E*5
1.5 20*C+B+++D/2 1.10 (A*2)+B/C-
15
A=50 B=30 C=5 D=3 E = 10
(A+B)*(E-D)
/*Program : variable1.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int A B,D,E,;
A=50;

2. B=30;
D=3;
E=10;
total1=(A+B);
total2=(E-D);
total=total1*total2;
cout <<"Total = "<< total<<endl;
getch();
}
A=50 B=30 C=5 D=3 E = 10
++D+C*E
/*Program : variable2.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int C,D,E;

3. C=5;
D=3;
E=10;
total1=++D;
total2=C*E;
total=total1*total2;
cout <<"Total = "<< total<<endl;
getch();
}

4. A=50 B=30 C=5 D=3 E = 10
1.3 (25+A)/C+B
/*Program : variable3.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int A B,C;
A=50;
B=30;
C=5;
total1=(25+A);
total2=total1/C;
total=total2+B;
cout <<"Total = "<< total<<endl;
getch();
}

5. A=50 B=30 C=5 D=3 E = 10
14. A*=D
/*Program : variable4.cpp
Process : Display set value of varible */
#include <iostream.h>

6. #include <conio.h>
void main()
{ int A D;
A=50;
D=10;
total=A*=D;
cout <<"Total = "<<total<<endl;
getch();
}

7. A=50 B=30 C=5 D=3 E = 10
1.5 20*C+B+++D/2
/*Program : variable5.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int A B,C;
B=30;
C=5;
D=3;
total1=B++;
total2=20*C;
total3=D/2;
total4=total2+total1;

8. total=total4+total3;
cout <<"Total = "<<total<<endl;
getch();
}
A=50 B=30 C=5 D=3 E = 10
1.6 --D+C+B—
/*Program : variable6.cpp

9. Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int B,C,D;
B=30;
C=5;
D=3;
total1=--D;
total2=B--;
total3=total1+C;
total=total3+total2;
cout <<"Total = "<<total<<endl;
getch();
}

10. A=50 B=30 C=5 D=3 E = 10
1.7 25*D/5+10
/*Program : variable7.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int D;
D=3;
total1=25*D;
total2=total1/5;
total=total2+10;
cout <<"Total = "<<total<<endl;

11. getch();
}
A=50 B=30 C=5 D=3 E = 10

12. 1.8 A+B--+D
/*Program : variable8.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int A,B,D;
A=50;
B=30;
D=3;
total1=B--;
total2=A+total1;
total=total2+D;
cout <<"Total = "<<total<<endl;
getch();
}

13. A=50 B=30 C=5 D=3 E = 10
1.9 C*2+E*5
/*Program : variable9.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int C,E;
C=5;
E=10;
total1=C*2;

14. total2=E*5;
total=total1+total2;
cout <<"Total = "<<total<<endl;
getch();
}

15. A=50 B=30 C=5 D=3 E = 10
1.10 (A*2)+B/C-15
/*Program : variable10.cpp
Process : Display set value of varible */
#include <iostream.h>
#include <conio.h>
void main()
{ int A,B,C;
A=50;
B=30;
C=5;
total1=(A*2);
total2=B/C;
total3=total1+total2;
total=total3-15;
cout <<"Total = "<<total<<endl;
getch();
}

16. 3.
A = 20, B=30, C=2, D=5,
E=50
3.1 (A>=B) && (A==A)
3.2 (B+C>A+D)|| (B+C<A+D)&&(D<10)
3.3 (A==20) && (B>=30)
3.4 (50==E ) || (!(D<=E)
3.5 !(D!=5)
3.6 (B+C+20)!=50

17. 3.7 C==(D-3)
3.8 (A/C<=B) && (C+D<=A) || (D>A)
3.9 (A%C+5)==(E/5-10)
3.10 A<B&&D<E
A = 20, B=30, C=2, D=5, E=50
3.1 (A>=B) && (A==A)
/*Program : logic_tst1.cpp
Process : Test logical value of expression
*/
#include <iostream.h>
#include <conio.h>
void main()
{ int A,B;
A=20;
B=30;
cout<< "Display Logic Operation :a";
cout<< "nLogic value of expression
(A>=B)&&(A==A) :" <<(A>=B)&&(A==A);
cout<< "nnValue 1 is true, 0 is false ....press any
key";
getch();

18. }