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maxi12312345
01.10.2021 •
Mathematics
Find the times when the rocket is at ground level.
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Ответ:
5(2)^(1+1)+5(2)^(2+1)+5(2)^(3+1)+5(2)^(4+1)+5(2)^(5+1)+5(2)^(6+1)
=5(2)^2+5(2)^3+5(2)^4+5(2)^5+5(2)^6+5(2)^7
=20+40+80+160+320+640
=1260
1260