Question

Alguém pode me ajudar pfv​

Answer 1

Resposta:

a1) 5/2-3/2=5-3/2=1

b)1/3+4/6=2+4/6=1

c) 1/7-2/7=-1/7

d)( 2*3)/8-2/4=6/8-2/4=6-4/8=2/8

e)1/2*1/3-2/3=1/6-2/3=1-4/6=-3/6

2)a) 2√(7)+3√(7)=5√(7)

b)5√(3)-√(3)=4√(3)

c) 3√(3)+7√(3)=10√(3)

d)2√(5)-2√(2)=2-2√(5-2)

e)2√(5)+5√(5)=7√(5)

f) 10√(10)-√(10)=9√(10)

3)

5√(2)+2√(2)=7√(2)=√(2*7²)⁼=√(2*49)=√(98)

Explicação passo-a-passo: