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Chapter 2: Q. 1 (page 93)

Copy and complete:Addition and subtraction are _____ operations.

Short Answer

Expert verified

Addition and subtraction are INVERSE operations.

Step by step solution

01

Step 1  .Concept of inverse operations.

An inverse operation "reverses" another operation. Addition and subtraction are inverses of each other because adding and subtracting the same number does not change the original number.

02

Step 2  .Consider an example

Leta+x=b .

Then,x=b-a

For Example,

Start with 7, then add 3, we get 10.

7+3=10

03

Step 3  .Conclusion

Now, subtract 3.

10-3=7

Thus, we get back to 7.

This shows that addition and subtraction are inverse operations.

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