CLASS 7 (maths)
Solve :-
39 ÷ (-13)=____=____=____
Answers
Mathematics NCERT Grade 7, Chapter 1: Integers- The chapter familiarizes students with the concept of integers.
Integers is a collection of numbers formed by whole numbers and negative numbers.
In the beginning, a quick recap of the integers and their representation on the number line, operations like addition, subtraction etc that can be performed on them, additive inverse, negative integers are some of the topics given.
This is followed by a detailed description of the topic Properties of Addition and Subtraction of Integers is given.
Properties listed in this section are:
1. Closure under addition
2. Closure under subtraction
3. Commutative property
4. Associative property
5. Additive identity
All of these mentioned above are explained with the help of examples. The concept of Multiplication of Integers is covered in detail and contains various subsection which focuses more deeply on the operation of multiplication of integers:
Multiplication of a positive and a negative integer
Multiplication of two negative integers
Product of three or more negative integers
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Answer:
39 ÷ (-13)=-3
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