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Mathematics 15 Online
OpenStudy (anonymous):

50,60, ,80,90,100 whats the missing number

OpenStudy (anonymous):

-5.

OpenStudy (anonymous):

thanks :) :D

OpenStudy (anonymous):

i got it wrong

OpenStudy (anonymous):

:( why did i get it wrong

OpenStudy (anonymous):

Because the answer is 70.

OpenStudy (anonymous):

oh why is it 70?

OpenStudy (anonymous):

im confused

OpenStudy (anonymous):

The common arithmetic is 10.

OpenStudy (anonymous):

whats the supposed to mean

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