Find the sum by short method: 10578 + 99999 - Vidyadip

Question

Find the sum by short method:
10578 + 99999

✓

Answer

10578 + 99999
= 10578 + (100000 - 1)
= (10578 + 100000) - 1 (Using associative property of addition)
= 110578 - 1
= 110577

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