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Odpowiedź :

Odpowiedź:

[tex]\dfrac{2^{61}-2^{60}-2^{60}}{3^{50}-5^{50}}=\dfrac{2^{61}-2\cdot2^{60}}{3^{50}-5^{50}}=\dfrac{2^{61}-2^1\cdot2^{60}}{3^{50}-5^{50}}=\dfrac{2^{61}-2^{61}}{3^{50}-5^{50}}=\dfrac{0}{3^{50}-5^{50}}=0[/tex]

[tex]\dfrac{2^{61} -2^{60} -2^{60} }{3^{50} -5^{50} } =\dfrac{2^{60}\cdot 2^{1} -2^{60} -2^{60} }{3^{50} -5^{50} } =\dfrac{2^{60} \cdot (2 -1-1) }{3^{50} -5^{50} } =\dfrac{2^{60} \cdot 0 }{3^{50} -5^{50} } =0\\\\lub~~inna~~metoda:\\\\\dfrac{2^{61} -2^{60} -2^{60} }{3^{50} -5^{50} } =\dfrac{2^{61} -2\cdot2^{60} }{3^{50} -5^{50} } =\dfrac{2^{61} -2^{1+60} }{3^{50} -5^{50} } =\dfrac{2^{61} -2^{61} }{3^{50} -5^{50} } =\dfrac{0 }{3^{50} -5^{50} } =0[/tex]