(1/3)³+5 3/4:(-1/2)²=

1) (1/3)³ = 1/3 · 1/3 · 1/3 = 1/27

2) (-1/2)² = (-1/2) · (-1/2) = 1/4

3) 5 3/4 : 1/4 = 23/4 · 4/1 = 23

4) 1/27 + 23 = 23 1/27