Question

1_ Calcule o valor de cada expressão.

a) (2-½)²×(1-2/5)
b) (¾-½)÷(1 ½-¾)
c) (1+3/7)²× 49/80
d) [(2/5+½)×2/9+(⅓)²]÷7/5
e) √1/5×(2/5-2½ ÷ 25/2)÷1/5
f) (31/5 - 1/5)÷ √1/9​

Answer 1

Resposta:

igual a 5 na a igual a ⅚ na b 19 na c 22 na d