ВЫЧИСЛИТЕ(-2,5-1 5/6)÷ 1 4/9- 3 4/9×(-2 1/4)

Question

ВЫЧИСЛИТЕ
(-2,5-1 5/6)÷ 1 4/9- 3 4/9×(-2 1/4)

Answer 1

-2,5-1 5/6=-2 1/2-1 5/6=-2 3/6- 1 5/6=-3 8/6=-4 1/3
-4 1/3: 1 4/9=-13/3*9/13=-3
3 4/9*(-2 1/4)=-31/9*9/4=-31/4=-7 3/4
-3-(-7 3/4)=-3+7 3/4=4 3/4