2q Ex 6.2 Integers class 6 maths.Use a number line and add the following integers:(a) 9 + (-6)....

Use number line and add the following integers:
(a) 9 + (-6)
(b) 5 + (-11)
(c) (-1) + (-7)
(d) (- 5) + 10
(e) (-1) + (-2) + (-3)