Find the sum by short method : `6784+ 9999`

[SounderRajanNagarajan]

Helped me out so much in my maths Exercise, they never even gave the meaning and just asked the random question. Thank you so much

[btsfandom]

This is not short cut method this is long cut method

[palakmishra]

Thank you sir for this explanasion I understand every sums properly

[fluffylisaroblox]

Arre the same sum is in my book the same question