July 2022 2 11 Report
* Dou 28 pontos para quem me ajudar *

1) Calcule:

a) 0,25 + 0,19 : ( 4- 0,8 : 0,5 - 0,5) =

b) [ - (-2)² - √9] : [ ( -1)¹°° - 2] =
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