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Mathematics 19 Online
OpenStudy (chihiroasleaf):

8 [66] 2 6 [40] 4 7 [54] X what is X? any clue?

hartnn (hartnn):

8^2+2=?

hartnn (hartnn):

6^2+4=?

hartnn (hartnn):

got the logic ?

OpenStudy (chihiroasleaf):

ahh..., I see... so X = 5 (?) why I couldn't recognise the pattern... :(

hartnn (hartnn):

yes....with practice, you'll be able to see the pattern instantly.

hartnn (hartnn):

seeing 66 the 1st thing that came to my mind is 64...so....

OpenStudy (chihiroasleaf):

ok..., thanks... :D

hartnn (hartnn):

welcome ^_^

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