Question

alguem sabe responder?​

Answer 1

Resposta:

21)

a) req  = 1+2+3 = 6

b) req = 4*12/(4+12) = 3

c) req =  30*20/30+20 = 12

req = 12*60/12+60 = 10

req = 10+10 = 20

d) req1 = 3+1 = 4

req 2 = 4/2 = 2

req 3 = 2+4+3 = 9

e) req1 = 4/2 = 2

req 2 = +4 = 6

req3 = 6*4/6+4 = 2,4

Explicação