Question

16) Calcule o valor das expressões: a) (7 - 2). (7-2): b) (7-2).(2-7): c) (2-7). (7-2): d) (2-7).(2-7) e) (-2-7).(2-7): f) (-7-2).(7-2):​

Answer 1

Resposta:

7 - 2 = 5

2 - 7 =  -5

Answer 2

.................................................................... E A A