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Makovka662 [10]

3 years ago

10

how many of the first 80 positive integers can he written as the sum of two distinct powers of 3? for example, 28=27+1=3^3+3^0 c

an be expressed, but 29 cannot be.

1 answer:

lina2011 [118]3 years ago

8 0

Answer:6

Step-by-step explanation:

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