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Please ofer 30 puncte

Please Ofer 30 Puncte class=

Răspuns :

5³x7³-5⁴x7²-5²x7³=5²x7²(5x7-5²-7)=25x49(35-25-7)=1225x3=3675
5³·7³ - 5⁴·7² - 5²·7³ = 5²·7² (5·7 - 25 - 7) = 35²· 3 =1225·3