answer me correctly except 1st and second. #no spam #no wrong answer. if someone answer me wrong I will complaint to moderates and remove you from brainly. so please answer me correctly.
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answer me correctly except 1st and second. #no spam #no wrong answer. if someone answer me wrong I will complaint to moderates and remove you from brainly. so please answer me correctly.
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Answer:
54
Step-by-step explanation:
(1,2,3)*(4,5)
=1*4+1*5+2*4+2*5+3*4+3*5
=4+5+8+10+12+15
=54