2 answers:
Answer:
Step-by-step explanation:
15 + 45 = 5( _ + 9)
60 = 5 ( 3 + 9)
60 = 5(12)
60 = 60
Answer:
3
Step-by-step explanation:
5*12=60
9+3=12
5*12=60
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it's 12
Step-by-step explanation:
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