Math, asked by ks3101370, 1 year ago

19-1=20 prove it.By using any formula and tips.

Answers

Answered by sanjusinghcpr86

0

Answer:

19-1=20

:- I think it's 19-(-1)=20

Answered by ArchitPathak

0

Answer:

Add a line to the "-" sign to make it a "+"

This is only a trick

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