Exercise No. 2C

NOTE: Answers to all questions are given at the end of this exercise.

Question No. 1:

Evaluate the following:

(a) -3-(6-9)

(b) -4-(2-5)

(c) -6-(-3)-1

(d) 4-(-9)-5

(e) -2-(-6)-3

(f) 5-7-(-10)

(g) 4-(-8)-6-(-11)

(h) -12-7(-9)-3

(i) 15-20-13-32

 

Question No. 2:

Find the values of the following expressions.

(a) -12-(-24)+(-36)

(b) -40+15-27+11

(c) (-5-6)-(15-5)

(d) -324+12-56

(e) [-2+(-10)]-[15+(-20)]

(f) 146-(-200)+(-100)-150

(g) -176+(-123)-(-167)+103

(h) -14+26-37-45+65-67-71

(i) 19-27+34+43-58-66-76+81


Answers

(from left to right)

2c-i 2c-ii 2c-iii

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