this is an easy trick

To subtract a large number from 1,000

subtract all but the last number from 9, then subtract the last number from 10

1000

-547

step1: subtract 5 from 9 = 4

step2: subtract 4 from 9 = 5

step3: subtract 7 from 10 = 3

answer: 453

### TRICK TO SUBSTRACT NUMBER EASILY

Posted by
SHRENIK
on Wednesday, July 15, 2009

Labels:
FUN,
FUN WITH NUMBERS,
SUBSTRACT

## 1 comments:

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