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19 - 1= 20. How is …

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19 - 1= 20. How is it possible?
  • 2 answers

Pooja ** 3 years, 8 months ago

In roman numerical 20 is written as XX

Gaurav Seth 3 years, 8 months ago

1. We can multiply both the sides with zero to equalise them.

2. We can use roman numbers to prove this.

19 is written as XXIX

1 is written as I

20 is written as XXX

So, we can write it as:

XXIX - I = XXX

Hence, it is proved that 19-1= 20.

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