Question

(-8/9)-[-5/72-(-1/12)+(-11/36. Va rog

Answer 1

Răspuns:

 

Explicație pas cu pas:

Answer 2

$\it -\dfrac{8}{9}-\Big[-\dfrac{5}{72}-(-\dfrac{1}{12})+(-\dfrac{11}{36})\Big]=-\dfrac{^{8)}8}{\ 9}+\dfrac{5}{72}-\dfrac{^{6)}1}{\ 12}+\dfrac{^{2)}11}{\ \ 36}=\\ \\ \\ =\dfrac{-64+5-6+22}{72}=\dfrac{27-70}{72}=-\dfrac{43}{72}$