Odpowiedź:
a)
[tex]4:\frac{1}{2}-\frac{14}{3}x\frac{9}{7}\\ 4x2-2x3\\ 8-6\\ 2\\[/tex]
b)
[tex]6\frac{1}{3}x(\frac{2}{3}+\frac{3}{4})\\ \frac{19}{3}x\frac{17}{12}\\ \frac{323}{36}\\[/tex]
c)
[tex](\frac{2}{3}+\frac{5}{6}):3-(\frac{7}{9}-\frac{1}{2}\\ \frac{3}{2}x\frac{1}{3}-\frac{5}{18}\\ \frac{1}{2} -\frac{5}{18}\\ \frac{2}{9}\\[/tex]
d)
[tex]2\frac{7}{12}-\frac{2}{3}:8+\frac{7}{8}\\ \frac{31}{12}-\frac{2}{3}x\frac{1}{8} +\frac{7}{8}\\ \frac{31}{12} -\frac{1}{3} x\frac{1}{4}+\frac{7}{8}\\ \frac{31}{12}-\frac{1}{12}+\frac{7}{8}\\ \frac{27}{8}[/tex]
e)
[tex]1\frac{4}{5}-\frac{2}{5}:\frac{5}{4}\\ \frac{9}{5}-\frac{2}{5}x\frac{4}{5}\\ \frac{9}{5}-\frac{8}{25}\\ \frac{37}{25}[/tex]
f)
[tex]3\frac{3}{4}:\frac{2}{3}:8+\frac{1}{8}x\frac{16}{5}\\ \frac{15}{4}x\frac{3}{2}x\frac{1}{8}+\frac{2}{5}\\ \frac{45}{64}+\frac{2}{5}\\ \frac{353}{320}[/tex]
g)
[tex](1\frac{1}{2})^{2}-(\frac{2}{3})^{2}:2\\ (\frac{3}{2}) ^{2}-\frac{(\frac{2}{3}^{2} )}{2} \\ \frac{9}{4}-\frac{\frac{4}{9} }{2} \\ \frac{9}{4}-\frac{2}{9}\\ \frac{73}{36}\\[/tex]
h)
[tex](1\frac{2}{3})^{2}+\frac{5}{18}:\frac{1}{2}\\\(\frac{5}{3})^{2}+\frac{5}{18}x2\\ \frac{25}{9}+\frac{5}{9}\\ \frac{10}{3}[/tex]
Szczegółowe wyjaśnienie:
