Trick to multiply numbers from 11 to 19 in your head!

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Who needs a calculator when you can do math in your head?

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Good tip sir, the trick it is so essay

jayantmansuke
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Sir This is also possible in 2 digit numbers with equal digits in tenth place like 34 and 39, 47and 43, But with a little difference

sidharthsaji
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what so hard to learn trick there is allways magic 10* and some other. its allwat that other* another number + another number+ 0 LOL

JarppaGuru