Question

calcule o valor da expressão ([1-1/2) potencia 2÷[(1-3/4)potencia 2×8+(1/2)potencia 2

Answer 1

(1-1/2)²÷[(1-3/4)²×8+(1/2)²]
(2/2-1/2)²÷[(4/4-3/4)²×8+(1/4)]
(3/2)²÷[(1/4)²×8+(1/4)]
9/4÷[1/16×8+1/4]
9/4÷[1/2+1/4]
9/4÷[2/4+1/4]
9/4÷3/4
9/4.4/3
36/12
3