Respostas

  • Usuário do Brainly
2014-07-16T15:54:38-03:00
Q+Q=0
10,7.1.(T-50) + 100.0,093.(T-20)=0
10,7.T -535 + 9,3T-186=0
20T=721
T=36 , 05 C
2 3 2