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Mathematics 6 Online
OpenStudy (noobsteresta):

I need to multiply 5465 with 4536 without calculator and paper/pen. It's easy i just forgot the trick. Anybody?

OpenStudy (anonymous):

am i allowed to use a calculator or is it not only for you?

OpenStudy (noobsteresta):

nope. i need the trick

OpenStudy (reemii):

sure it's not 4535 ?

OpenStudy (noobsteresta):

no

OpenStudy (reemii):

so a special method for mental multiplication? https://en.wikipedia.org/wiki/Trachtenberg_system#General_multiplication ?

OpenStudy (noobsteresta):

This is exactly what i was looking for. Thanks!!

OpenStudy (reemii):

This looks interesting, but needs practice :) you're welcome

likeabossssssss (likeabossssssss):

welcome to os

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