Odpowiedź:
a) [tex]3 \frac{1}{2} = \frac{3*2 + 1}{2} = \frac{7}{2}[/tex] Liczba odwrotna : [tex]\frac{2}{7}[/tex]
b ) [tex]- 2 \frac{3}{7} = - \frac{17}{7}[/tex] - [tex]\frac{7}{17}[/tex]
c ) [tex]4 \frac{1}{5} = \frac{21}{5}[/tex] [tex]\frac{5}{21}[/tex]
d ) - [tex]6 \frac{2}{3} = - \frac{20}{3}[/tex] - [tex]\frac{3}{20}[/tex]
e ) [tex]11 \frac{1}{9} = \frac{100}{9}[/tex] [tex]\frac{9}{100}[/tex]
f ) - 7 [tex]\frac{2}{3} = -[/tex] [tex]\frac{23}{3}[/tex] - [tex]\frac{3}{23}[/tex]
Szczegółowe wyjaśnienie:
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Odpowiedź:
a) [tex]3 \frac{1}{2} = \frac{3*2 + 1}{2} = \frac{7}{2}[/tex] Liczba odwrotna : [tex]\frac{2}{7}[/tex]
b ) [tex]- 2 \frac{3}{7} = - \frac{17}{7}[/tex] - [tex]\frac{7}{17}[/tex]
c ) [tex]4 \frac{1}{5} = \frac{21}{5}[/tex] [tex]\frac{5}{21}[/tex]
d ) - [tex]6 \frac{2}{3} = - \frac{20}{3}[/tex] - [tex]\frac{3}{20}[/tex]
e ) [tex]11 \frac{1}{9} = \frac{100}{9}[/tex] [tex]\frac{9}{100}[/tex]
f ) - 7 [tex]\frac{2}{3} = -[/tex] [tex]\frac{23}{3}[/tex] - [tex]\frac{3}{23}[/tex]
Szczegółowe wyjaśnienie: