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# Find

(a) 35 – (20) (b) 72 – (90)

(c) (– 15) – (– 18) (d) (–20) – (13)

(e) 23 – (– 12) (f) (–32) – (– 40)

**Solution:**

We use the concepts of positive and negative integers and subtraction to find the values of the given expressions.

(a) 35 – (20) = 35 - 20 = 15

(b) 72 – 90 = -18

(c) (- 15) – (- 18) = (-15) + (18) = 3

(d) (- 20) – (13) = – (20 + 13) = – 33

(e) 23 – (- 12) = 23 + 12 = 35

(f) (- 32) – (- 40) = (- 32) + 40 = 8

NCERT Solutions for Class 6 Maths Chapter 6 Exercise 6.3 Question 1

## Find:(a) 35 – (20) (b) 72 – (90) (c) (-15) – (-18) (d) (- 20) – (13) (e) 23 – (-12) (f) (-32) – (-40)

**Summary: **

Using the concepts of positive and negative numbers and subtraction, the values of the given expressions are (a) 15, (b) -18, (c) 3, (d) – 33, (e) 35 and (f) 8.

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