By Mr. Ayman Ramzy Page 1

El – Mokattam Governmental L. School

By Mr. Ayman Ramzy Page 2

By Mr. Ayman Ramzy Page 3

By Mr. Ayman Ramzy Page 4

By Mr. Ayman Ramzy Page 5

By Mr. Ayman Ramzy Page 6

By Mr. Ayman Ramzy Page 7

By Mr. Ayman Ramzy Page 8

By Mr. Ayman Ramzy Page 9

By Mr. Ayman Ramzy Page 10

By Mr. Ayman Ramzy Page 11

By Mr. Ayman Ramzy Page 12

By Mr. Ayman Ramzy Page 13

By Mr. Ayman Ramzy Page 14

By Mr. Ayman Ramzy Page 15

By Mr. Ayman Ramzy Page 16

By Mr. Ayman Ramzy Page 17

By Mr. Ayman Ramzy Page 18

By Mr. Ayman Ramzy Page 19

By Mr. Ayman Ramzy Page 20

By Mr. Ayman Ramzy Page 21

By Mr. Ayman Ramzy Page 22

By Mr. Ayman Ramzy Page 23

By Mr. Ayman Ramzy Page 24

By Mr. Ayman Ramzy Page 25

By Mr. Ayman Ramzy Page 26

By Mr. Ayman Ramzy Page 27

Find by suitable Substitution

By Mr. Ayman Ramzy Page 28

By Mr. Ayman Ramzy Page 29