Question

por favor gente me ajudem tenho que mostrar amanha

Answer 1

(- 1/2)^2 ×(+3/2) -(+2/3)^3 : (-1/27)= (1/4× 3/2) - (8/27) : (-1/27) = 3/8 - (8/27 × (27) = 3/8- 8 = ( 3 - 64)/8 = 63/8