• Übungs GN Bruchrechnen
  • J.Jenke
  • 26.01.2023
  • Mathematik
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Brü­che

1
Addieren
2 / 2
  • 98\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{9}{8}+13=57\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{1}{3}= \cloze{ \frac{5}{7} }
  • 523+23 = \gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 5\frac{2}{3}+\frac{2}{3}\ =\  = \gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \ =\
  • 78\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{7}{8}+74=109\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{7}{4}= \cloze{ \frac{10}{9} }
2
Subtrahieren
1 / 1
  • 6 + 10 =
3
Dividieren
1 / 1
  • 117:105=117510=1114\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{11}{7} : \frac{10}{5} =\cloze{ \frac{11}{7}} \cdot \cloze{ \frac{5}{10} } = \cloze{ \frac{11}{14} }
4
Multiplizieren
1 / 1
  • f) 8947=8497\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{8}{9} \cdot \frac{4}{7}= \frac{\cloze{8 \xrightarrow{⋅}4}}{\cloze{9 \xrightarrow[⋅]{} 7}} =\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} = 3263\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} \frac{\cloze{32}}{\cloze{63}}
5
Wandle die Dezimalzahl in einen Bruch um.
2 / 2
  • 0,782=7821000\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 0{,}782 =\frac{\cloze{782}}{\cloze{1000}}
  • 0,63=63100\gdef\cloze#1{{\raisebox{-.05em}{\colorbox{none}{\color{transparent}{\large{$\displaystyle #1$}}}}}} 0{,}63 =\frac{\cloze{63}}{\cloze{100}}
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