COROANA SAU ȘTERG
Răspuns:
ex. 1
[tex]-\frac{12}{18} = -\frac{2}{3}\\\\ \frac{17}{5} = 3\frac{2}{5} \\\\-1\frac{4}{5} = -\frac{27}{15} \\\\\frac{8}{24} = \frac{1}{3}[/tex]
ex.2
a) =
b) =
c) >
ex.3
a) [tex]6\frac{5}{8}^{(3} + 1\frac{7}{12}^{(2} =6\frac{15}{24} + 1\frac{14}{24} = 7\frac{29}{24} = 8\frac{5}{24} \\\\[/tex]
b) [tex]-\frac{7}{16}^{(3} + \frac{5}{24}^{(2} = -\frac{21}{48} +\frac{10}{48} = - \frac{11}{48}[/tex]
c) [tex](-\frac{5}{16} )[/tex] ° [tex]\frac{8}{25} =[/tex] [tex]- \frac{40}{400} ^{(40} = -\frac{1}{10}[/tex]
d) [tex]-\frac{5}{7} : (-1\frac{1}{14} ) = -\frac{5}{7}[/tex] ° [tex](-\frac{14}{15} ) = \frac{70}{105}^{(5} = \frac{14}{21}^{(7}= \frac{2}{3}[/tex]
