3)√54 = 3√6=7,3484692 .....
√75=5√3=8,6 . . . . .
√60=2√15=7 ,7459666......
√80=√(2⁴×5)=2²×√5=4√5........
4)a)√108=6√3 =6*3,14=18,84
b)112 l 2
56 l 2
28 l 2
14 l 2
7 l 7
1
=>112=2⁴·7
=>√112=√(2⁴·7)=√(2⁴)·√7=2²√7=4√7
c)125=5^3 ⇒√125=5√5 .......
e)√150 = 12,247..... √150 = 5√6
f)√175 = √25 · √7 = 5√7
g)√180=√36×5=√6²×5=6√5
!!!!!!!!!!PLS coroana!!!!!!
