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Pomocy kompletnie nie ogarniam

Pomocy Kompletnie Nie Ogarniam class=

Odpowiedź :

Nata101080viz

Odpowiedź:

[tex] \frac{4}{5} \times \frac{2}{3} + \frac{1}{4} = \frac{8}{15} + \frac{1}{4 } = \frac{32}{60} + \frac{15}{60} = \frac{47}{60} [/tex]

[tex] \frac{1}{6} + \frac{3}{8} \times 1\frac{7}{9} = \frac{1}{6} + \frac{3}{8} \times \frac{16}{9} = \frac{1}{6} + \frac{1}{1} \times \frac{2}{3} = \frac{1}{6} + \frac{2}{3} = \frac{3}{18} + \frac{12}{18} = \frac{15}{18} = \frac{5 }{6} [/tex]

[tex]2 \frac{3}{7} + \frac{3}{4} \times 1\frac{1}{3} = \frac{17}{7} + \frac{3}{4} \times \frac{4}{3} = \frac{17}{7} + \frac{1}{1} = \frac{17}{7} + \frac{7}{7} = \frac{24}{7} = 3\frac{3}{7} [/tex]

Lubieplacki1plviz

Odpowiedź:

a.

[tex] = \frac{8}{15} + \frac{1}{4} = \frac{32}{60} + \frac{15}{60} = \frac{47}{60} [/tex]

b.

[tex] = \frac{1}{6} + \frac{3}{8} \times \frac{16}{9} = \frac{1}{6} + \frac{2}{3} = \frac{1}{6} + \frac{4}{6} = \frac{5}{6} [/tex]

c.

[tex] = 2\frac{3}{7} + \frac{3}{4} \times \frac{4}{3} = 3 \frac{3}{7} [/tex]

d.

[tex] = \frac{1}{45} + 2 \frac{1}{2} = \frac{2}{80} + 2 \frac{40}{80} = 2 \frac{42}{80} = 2 \frac{21}{40} [/tex]

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