Odpowiedź:
[tex]d)\ \ -1\dfrac{2}{5}:\left(-2\dfrac{1}{10}\right)=1\dfrac{2}{5}:2\dfrac{1}{10}=\dfrac{7}{5}:\dfrac{21}{10}=\dfrac{\not7^1}{\not5_{1}}\cdot\dfrac{\not10^2}{\not21_{3}}=\dfrac{2}{3}\\\\\\e)\ \ 2\dfrac{1}{12}:\left(-1\dfrac{7}{8}\right)=\dfrac{25}{12}:\left(-\dfrac{15}{8}\right)=-\dfrac{\not25^5}{\not12_{3}}\cdot\dfrac{\not8^2}{\not15_{3}}=-\dfrac{10}{9}=1\dfrac{1}{9}[/tex]
[tex]f)\ \ 1\dfrac{1}{12}:1\dfrac{5}{8}=\dfrac{13}{12}:\dfrac{13}{8}=\dfrac{\not13^1}{\not12_{3}}\cdot\dfrac{\not8^2}{\not13_{1}}=\dfrac{2}{3}[/tex]
Odpowiedź:
Szczegółowe wyjaśnienie:
d) -1 2/5 : (-2 1/10)=-7/5:(-21/10)=-7/5*(-10/21)=2/3
e) 2 1/12 : (-1 7/8) =25/12: (15/8)=25/12*(-8/15)= -10/12=-5/6
f) 1 1/12 : 1 5/8=13/12:13/8=13/12*8/13=2/3
