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Cit e 2,5 la puterea a 2 plus 127,5 la puterea a 3

Răspuns :

2,5² + 127,5 ³ = 6,25+ 2072671,875=  2072678,125
2,5²+127,5³=2,5·2,5+127,5·127,5·127,5=6,25+2072671,875=2072678,125.