Exercise 1.1

• Question no 1 and 2 8:15
• Math Number Systems 13:07
• Question no 3 to 5 6:42
• Real Numbers 19:10
• Question no 6 5:28
• Additions laws of real numbers 17:12
• Multiplication laws 14:30
• Math Properties of equality 12:35
• Properties of equality 16:11
• Exercise 1 1, Question no 1 & 2 17:04
• Exercise 1.1 15:58
• Exercise 1.1, Question no 3 13:47
• Exercise 1.1, Question no 4 & 5 11:38
• Exercise 1.1 20:48

Exercise 1.2

• Question no 1 to 3 10:55
• Exercise 1.2, Question no 4 to 12 28:29
• Question no 4 to 13 9:06
• Exercise 1.2, Question 13 to 16 26:37
• Question no 14 and 16 5:43
• Exercise 1.2, Question 16 23:55
• Question no 15 1:31

Exercise 1.3

• Question no 1 to 4 7:30
• Question no 5 and 6 5:35
• Question no 7 6:52
• Exercise 1.3, Question 3 to 6 27:01
• Exercise 1.3, Question 7 17:18