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VA RRRRRRRRRRRRRRRRRRRRRRRROOOOOOOOOOOOOOGGGGGGGGGGG!

VA RRRRRRRRRRRRRRRRRRRRRRRROOOOOOOOOOOOOOGGGGGGGGGGG class=

Răspuns :

Ai uitat sa modifici.
Scoatem factor comun .
2¹⁹⁸⁹(2-1)-2¹⁹⁸⁸=2¹⁹⁸⁹-2¹⁹⁸⁸=2¹⁹⁸⁸
2¹⁹⁸⁸/x=4⁹⁹³/0.25
0.25*2¹⁹⁸⁸=4⁹⁹³x
2¹⁹⁸⁶=2¹⁹⁸⁶*x
x=1
Sper ca ai inteles rezolvarea si te-am ajutat .
2^1990-2^1989-2^1988 = 
2^1988(2^2-2-1)=
2^1988(4-2-1)=
2^1988

a/x=4^993/0.25
2^1988/x=2^1986/0.25
x=0.25*2^1988 / 2^1986
x=0.25*2^2
x=25/100*4
x=100/100
x=1