Question

(2) (-2)^3-1/6×5-1/6×（-3^2) (2) (-2/3-5/6+11/12)÷1/24

Answer 1

(-2)^3-1/6×5-1/6×（-3^2)

=-8-5/6-1/6×(-9)

=-8-5/6+9/6

=-8+(-5/6+9/6)

=-8+2/3

=-22/3

(-2/3-5/6+11/12)÷1/24

=(-2/3-5/6+11/12)×24

=-2/3×24-5/6×24+11/12×24

=-16-25+22

=-41+22

=-19