PPRuNe Forums - View Single Post - 5-week PPL (ongoing)

15th April 2016 | 11:38

#19 (permalink)

BatteriesNotIncluded

Joined: May 2015

Posts: 51

Likes: 0

From: London

Quote:

Originally Posted by The Ancient Geek

Learn about mental arithmetic shortcuts.
1448 + 2 = 1450
1450 + 23 = 1513
1513 - 2 = 1511

Thanks for the tip, Sir.

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