Question

(2,5-2 1/3)×(-5 1/7)+1 1/3÷(-5,6)

Answer 1

Ответ:

Пошаговое объяснение:

$1) 2,5-2frac{1}{3} =frac{25}{10} -frac{7}{3} =frac{75-70}{30} =frac{5}{30} =frac{1}{6} \2)frac{1}{6}*(-5frac{1}{7} )=-frac{1}{6} *frac{36}{7} =-frac{6}{7} \3)1frac{1}{3} :(-5.6)=-frac{4}{3}:frac{56}{10} =-frac{4}{3}*frac{10}{56} =-frac{5}{21} \4)-frac{6}{7} -frac{5}{21}=frac{-18-5}{21}=-frac{23}{21}=-1frac{2}{21}$