Question

{42 + [(45 - 19) - (18 - 3) + 1 - (28 - 15)]} help me ​

Answer 1

Resposta:

{42+[(45-19)-(18-3)+1-(28-15)

42+(26)-(15)+1-(13)

42+(11)+1-(13)

42+11+1-13

53+1-13

54-13=41