Respostas

2013-10-05T15:27:56-03:00
18+50

18:2
9:3
3:3
1

√18 = √2.3²= 3√2

50:2
25:5
5:5
1

√50= √2.5²= 5√2

√18 + √50
3√2 + 5√2
8√2
 
= 82

tenta essa 
3 5 3