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Mathematics 13 Online
OpenStudy (anonymous):

doesn't 10 + 9 = 21 Really think about it

OpenStudy (anonymous):

it actually does and yes im answering my own question think of how you do it 9+10=21 just think it pretty simple all it basically is is 9 is a number made up of 3x3 10 is a number made up of 5 x 2 were am i going witht this you will see then after you basically divide the number you get 3x3 and 5x2 multiply 3x5 =15 and then 3x2 =6 theres your answer 15+6 equals 21 XP i got you guys so good

OpenStudy (igreen):

Go back to preschool

OpenStudy (anonymous):

XD

OpenStudy (anonymous):

i messed up order of operations lol

OpenStudy (igreen):

That doesn't make any sense whatsoever..

OpenStudy (igreen):

You might as well say it equals 90, because 10 * 9 = 90

OpenStudy (anonymous):

swaggin out @iGreen

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