Question

É PARA AMANHÃÃ!!
[1/5 + 2/5 X 0,111...] / 3/5 X 0,11

Answer 1

[1/5 + 2/5 + 1/9] / 3/5 x 11/100 = 
[3/5 + 1/9] / 33/500 = 
mmc (5 e 9) = 45
[27/45 + 5/45] / 33/500 = 
[32/45] / 33/500 = 
32/45 x 500/33 = 
(32 x 500) / (45 x 33) = 
(32 x 100) / (9 x 33) = 
3200 / 297