3 years ago

Find the missing terms. 3, _, _, 21 (arithmetic)

Mathematics

1 answer:

natka813 [3]3 years ago

6 0

Answer:

3, 9, 15, 21

Step-by-step explanation:

3x1=3 v

3x2=6

3x3=9 v

3x4=12

3x5=15 v

3x6=18

3x7=21 v

Skip one each time, 3, 9, 15, 21

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