Question

5.
The quotient of any number divided by 1 is the number itself'. How is
this statement written in short?

(2) n-n=1
(1) n=1=n
(3) nxn=1
(4) 1=n=n
6.
The sum of any two numbers and the sum obtained by changing the
order of those numbers is the same'. How is this statement written using
letters for number?
(1) a +b=x+y
(2) a +b=b+a
(3) a xb=bxa
(4) a-b=b-a
7. 'If the multiplicand and the multiplier are interchanged, the product does
not change'. Write this statement using letters a and b
(1) axb=b+a
(2) a +b=b xa
(3) a xb=b-a (4) a xb=b xa
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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1 n -n=1 is correct answer