Question

3) Calcule: a) + 18-20= b)-12-16= c) +24+63 = d) -39+13=​

Answer 1

Resposta:

Explicação passo a passo:

1. (2 x 3 - 4)2+10:5 R= 6

2. [16:8+(4:2+2 x 1)2]-5 R=13

3. (4 x 2-3x1)2+18:9 + 24 : 4 R= 33

4. 21:7+(5 x 1-2x2)5+10 R= 14