Question

Resolva as expressões 6+7/8:21/4-5/3

Answer 1

6+7/8:21/4-5/3=
6+7/8.4/21-5/3=
6+28/168-5/3=
6+1/6-5/3=
36/6+1/6-10/6=
37/6-10/6=
27/6= (simplifica por 3)
9/2