Question

[ ( 2 + 1 ) • 2 + ( 1 )² ] : 7
_ _ _ _ _
6 2 9 3 5

Answer 1

[(2/6+1/2).2/9+(1/3)²]/7/5
[(2/6+3/6).2/9+(1/9)]/7/5
[5/6.2/9+1/9]/7/5
[10/54+1/9]/7/5
[10/54+6/54]/7/5
16/54/7/5=16/54.5/7
80/378=40/189 ou ~0.21