Odpowiedź:
a) 3,6 + 2/3 = 3 3/5 + 2/3 = 3 9/15 + 10/15 = 3 19/15 = 4 4/15
b) 4 1/8 - 1,11= 4 1/8 - 1 11/100= 4 25/200 - 1 22/200= 3 225/200 - 1 22/200=2 203/200
Szczegółowe wyjaśnienie:
Odpowiedź:
a)[tex]3,6+\frac{2}{3} =3\frac{6}{10} +\frac{2}{3} =3\frac{3}{5} +\frac{2}{3} =3\frac{9}{15} +\frac{10}{15} =3\frac{19}{15} =4\frac{4}{15}[/tex]
b)[tex]4\frac{1}{8} -1,11=4,125-1,11=3,015=3\frac{15}{1000} =3\frac{3}{200}[/tex]
c)[tex]2,75+\frac{2}{7} =2\frac{3}{4} +\frac{2}{7} =2\frac{21}{28} +\frac{8}{28} =2\frac{29}{28} =3\frac{1}{28}[/tex]
d)[tex]0,125-\frac{1}{9}=\frac{1}{8} -\frac{1}{9} =\frac{9}{72} -\frac{8}{72} =\frac{1}{72}[/tex]
e)[tex]3\frac{1}{3} -3,3=3\frac{1}{3} -3\frac{3}{10} =3\frac{10}{30} -3\frac{9}{30} =\frac{1}{30}[/tex]
f)[tex]1\frac{1}{5} -0,09=1\frac{20}{100} -\frac{9}{100} =1\frac{11}{100} =1,11[/tex]
Szczegółowe wyjaśnienie:
[tex]\frac{1}{8} =0,125[/tex]