Resposta:
2.
(A) X+X+X=3 SENDO X=1
(B) X. X+X.X+X. X=3 SENDO X=1
(C) X. 3-3 SENDO X=1
3. respota nesse link
https://brainly.com.br/tarefa/47220961?utm_source=android&utm_medium=share&utm_campaign=question
4.
A = C.L
108 = C.L
108 = C. 9
108/9 = C
12 = C
C = 12 m
5. nesse link
https://brainly.com.br/tarefa/47121559?utm_source=android&utm_medium=share&utm_campaign=question
