Question

Answer 1

\(\left(-15-12\right):9+5-13.\left(-2\right)+\left(-64\right):8\\ =\left(-27\right):9+5-\left(-26\right)+\left(-8\right)\\ =\left(-3\right)+5+26-8\\ =20\)

Answer 2

20

Answer 3

\(20\)

Answer 4

=-27:9 +5+26 + (-8)

= -3 +5 + 26+ (-8)

= 20

Answer 5

20