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calculati : 125*1111^3-5555^5

Răspuns :

125*1111^3-5555^5=5^3*1111^3-5555^5=5555^3-5555^4=5555^3(1-5555^2)

125x1111³-(5x1111)la5=
5³x1111³-5la5x11115=5³x1111³(1-5²x1111²)=5³x1111³(1-25x1234321)
(5³x1111³)-(5x1111)la5=(5x1111)³-(5x1111)la5=5555³-5555la5