Question

ex 4
66/11+77/11+5/10-8/5=?
va rog repede dau coroana

Answer 1

66/11 + 77/11 + 5/10 - 8/5 = 6/1 + 7/1 + 5/10 - 16/10 = 13/1 + 5/10 - 16/10 =
= 130/10 + 5/10 - 16/10 = 135/10 - 16/10 = 119/10

Answer 2

$\frac{66}{11}$ + $\frac{77}{11}$ + $\frac{5}{10}$ - $\frac{8}{5}$ = 6 + 7 + $\frac{5}{10}$ - $\frac{16}{10}$ = 
= 13  - $\frac{11}{10}$ = 13 - 1,1 = 11,9