Find the sum of (−9999) (−2001) and (−5999)

Sum

(−9999) + (−2001) + (−5999)

= −12000 + (−5999)

= −17999

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Chapter 1: Number System - Exercise 1.6 [Page 29]

Chapter 1 Number System
Exercise 1.6 | Q 5 | Page 29

Write a pair of negative integers whose difference gives 8.

Write a negative integer and a positive integer whose difference is −3.

Fill in the blank to make the following statement true:

[13 + (−12)] + (______) = 13 + [(−12) + (−7)]

A student was asked to subtract (−12) from −47. He got −30. Is he correct? Justify.

(–5) – (–18) = _____

Check the following for equality

(11 + 7) + 10 and 11 + (7 + 10)

Say true or false.

The sum of two integers can never be zero

Encircle the odd one of the following.

(–43) + ______ = –43

When we change the order of integers, their sum remains the same.