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Answer :

Answer:

6, 4, 1.5, 0

Step-by-step explanation:

6 times 2 = 12 and 3 times 6 = 18
12+18=30

4x3=12 and 9x2=18
12+18=30

1.5x2=3 and 9x3=27
27+3=30

0x3=0 and 15x2=30

6, 4, 1.5, last one not sure but I think 3