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Mathematics 7 Online
OpenStudy (anonymous):

9+10?

OpenStudy (compassionate):

Look at your fingers. You have ten fingers on each hand. Now, put one finger down. Now you're holding up 9 fingers. Get a pen and paper and write down your 10 fingers then your 9 fingers, then count how many marks you have.

OpenStudy (anonymous):

21? @Compassionate

OpenStudy (compassionate):

Hmm. No. Not 21. Look at these marks 10 marks: I I I I I I I I I I 9 marks: I I I I I I I I I Now count both the marks and tell me how many we have total?

OpenStudy (anonymous):

12 19

OpenStudy (compassionate):

Yes! The answer is 19! Correct :)

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