Question

me ajudem a responder, por favor.

Answer 1

2)

a) √6=√2 .√3= 1,4 .1,7=2,38

b) √8=√2².2=2√2=2.1,41=2,82

3)

3+5(3-4)-3(3-2)=-7

3+5(-1)-3(1)=-7

3-5-3=-7

3-8=-7

-5=-7.....não é.

4)

6/√3=6.√3/(√3.√3)=6√3/√3²=6√3/3=2√3=2.1,73=3,46