Question

287.' Виконайте дії:
1
5
1) 5+3 -6-
9 6 27
13 917-4-7 5
2) 1218-(017 (2)
48
32 24

Answer 1

Ответ:

$1)\ 2\frac{31}{54}\\\\2)\ 6\frac{91}{96}$

Пошаговое объяснение:

$1)\\5\frac{5}{9}+3\frac{1}{6}-6\frac{4}{27}=5\frac{30}{54}+3\frac{9}{54}-6\frac{8}{54}=8\frac{39}{54}-6\frac{8}{54}=2\frac{31}{54}\\\\2)\\12\frac{13}{48}-(9\frac{17}{32}-4\frac{5}{24})=12\frac{26}{96}-(9\frac{51}{96}-4\frac{20}{96})=12\frac{26}{96}-5\frac{31}{96}=11\frac{122}{96}-5\frac{31}{96}=6\frac{91}{96}$