Question

1) Determine o valor das expressões:
a) (23:14) + (35:23) = b) (32:46) − (34:46) = c) 74:45−23:14= d) (−621) : (−27) + (−412) : (−24) =

Answer 1

Resposta:

a)23÷14=1-09+35÷23=01 -12