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Mathematics 7 Online
OpenStudy (anonymous):

What's the next number in the following sequence? 1 11 21 1211 111221 312211

OpenStudy (lollylau):

13112221

OpenStudy (lollylau):

wait formatting is bad

OpenStudy (vishal_kothari):

13112221

OpenStudy (anonymous):

How ?

OpenStudy (paxpolaris):

How?

OpenStudy (paxpolaris):

first line 1 2nd line 1 one 2 ones 1 twos 1 on

OpenStudy (paxpolaris):

count the number of digits in the previous line...

OpenStudy (anonymous):

it's the write it how you say it problem. 1 11(one one) 21(two ones) 1211(one two, one one) 111221(one one, one two, two ones) 312211(three one, two twos, one one)

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