Răspuns:
3.
b.
4/5
c.
6/7
d.
1/10
e.
11/9
f.
15/12
4.
3/2
8/5
6/5
9/5
12/6 =2
Explicație pas cu pas:
b) √(4/5)²=4/5
c) √(6/7)²=6/7
d)√1/10²=1/10
e)√(11/9)²=11/9
f)√(15/12)=15/12
b)√9/4=3/2
c)√64/25=8/5
d)√36/25=6/5
e)√81/25=9/5
f)√157/36=√157/6
