Question

1) 2.{3+4.[20-(2+3)]-3}:15
2) {5+[3.(1+4)]}:4

Answer 1

Resposta:

1) 8

2) 5

Explicação passo-a-passo:

1- 2.{3+4.[20-(2+3)]-3}:15

2.{3+4.[20-5]-3}:15

2.{3+4.15-3}:15

2.{3+60-3}:15

2.60:15

120:15=8

2- {5+[3.(1+4)]}:4

{5+[3.5]}:4

{5+15}:4

20:4=5