Find the sum by short method: 6784 + 9999 - Vidyadip

Question

Find the sum by short method:
6784 + 9999

✓

Answer

6784 + 9999
= 6784 + (10000 - 1)
= (6784 + 10000) - 1 (Using associative property of addition)
= 16784 - 1
= 16783

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