Rozwiązane

oblicz
(0,75+4⅔)÷1,3
___________________=
4,375-2⅛



Odpowiedź :

Mbee93

(0,75+4⅔)÷1,3
___________________= (3/4 + 14/3) : 1,3 / 2,375 - 9/8 =
4,375-2⅛

= (9/12 + 56/12) : 1,3 / 2,375 - 9/8 = 65/12 : 1,3 / 2,375 - 1,125 = 4,2/1,25 = 3,36

Magda

Odpowiedź:

[tex]\dfrac{(0,75+4\frac{2}{3}):1,3}{4,375-2\frac{1}{8}}=\dfrac{(\frac{3}{4}+4\frac{2}{3}):\frac{13}{10}}{4\frac{3}{8}-2\frac{1}{8}}=\dfrac{(\frac{9}{12}+4\frac{8}{12}):\frac{13}{10}}{2\frac{2}{8} }=\dfrac{4\frac{17}{12}:\frac{13}{10}}{2\frac{1}{4}}=\\\\\\=\dfrac{5\frac{5}{12}:\frac{13}{10}}{2\frac{1}{4}}=\dfrac{\frac{\not65^5}{\not12_{6}}*\frac{\not10^5}{\not13_{1}}}{\frac{9}{4}}=\dfrac{\frac{25}{6}}{\frac{9}{4}}=\dfrac{25}{6}:\dfrac{9}{4}=\dfrac{25}{\not6_{3}}*\dfrac{\not4^2}{9}=[/tex]

[tex]=\dfrac{50}{27}=1\dfrac{23}{27}[/tex]

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