Question

(1/2-5/2).(9/4+8/5)​

Answer 1

(0,5 - 2,5) × (2,25 + 1,6)

-2 × 3,85

-7,7

Answer 2

Resposta:

1. 5. -4

– - – = –

2 2 2

9 8 17

– + – = –

4 5. 9

espero ter ajudado