Question

Duvida expressões aritmética

Answer 1

Boa noite Saxumi

6 - 38/7 = (42 - 38)/7 = 4/7 

20 - 58/3 = (60 - 58)/3 = 2/3

4/7 + 2/3 = (12 + 14)/21 = 26/21

60/56 = 15/14 

(15/14)*(32/45) = 16/21

(26/21)/(16/21) = (26/21)*(21/16) = 26/16 = 13/8