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Serggg [28]
3 years ago
13

In succession 6, 18, 21, 63, 66, the number that follows is ...

Mathematics
2 answers:
katrin2010 [14]3 years ago
5 0
I believe its 198. that's what i got adleast
ki77a [65]3 years ago
3 0
198
It goes times add 3 and then this pattern repeats.
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