Question

-[-(1/2 + 0,3) -(-1,4+ 2 1/3)-0,2

Answer 1

-[-(1/2+0,3)-(-1,4+21/3)-0,2
-[-(1/2+3/10)-(-14/10+21/3)-0,2
-[-(5/10+3/10)-(42/30+210/30)-0,2
-[-8/10-252/30-2/10
-[-282/30
--282/30
+282/30

resposta= +282/30

resposta simplificada= +47/5