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Calculati A=2^100 - 2^99 - 2^98 - ....... - 2^2 - 2 - 1

Răspuns :

Ovdumi
2^100 - 2^99 =2^99(2-1) = 2^99
2^99-2^98=......................=2^98
2^98-2^97=......................=2^97
..................................................
2^2-2^1 =..............................=2^1
2^1-2^0 =..............................=2^0
A=1

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