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monitta
3 years ago
8

Complete the pattern 3 12 21 30 39

Mathematics
2 answers:
tigry1 [53]3 years ago
7 0
 well the pattern is +9

because 3+9=12
12+9=21
21+9=30
30+9=39

so the next few digits of this pattern would be

48, 57, 66, 75, ect.
s2008m [1.1K]3 years ago
4 0
48, 57, 66, 75, 84, etc. Each new phrase is 9 more than the previous one. 
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