Respostas

2014-06-06T18:29:24-03:00
20 -2 + (10)² 
20 - 2 + 100
18 + 100
118
1 5 1
2014-06-06T18:48:11-03:00
20 - 2 + (5.2)²
20 - 2  +  100
+20 + 100 - 2
120 - 2 
118