Odpowiedź:
[tex]e)\ \ 11-(12\frac{5}{7}-2,375)=11-(12\frac{5}{7}-2\frac{375}{1000})=11-(12\frac{5}{7}-2\frac{3}{8})=11-(12\frac{40}{56}-2\frac{21}{56})=\\\\=11-10\frac{19}{56}=10\frac{56}{56}-10\frac{19}{56}=\frac{37}{56}\\\\\\i)\ \ 5,8-5\frac{8}{9}+3,4-3\frac{3}{27}=9,2-5\frac{8}{9}-3\frac{3}{27}=9,2-5\frac{8}{9}-3\frac{1}{9}=9,2-8\frac{9}{9}=9,2-9=0,2[/tex]
