Question

(16,2:2,7+2,28)*4,5-38,639=?

Answer 1

8,28*4.5-38,639=-1,379

Answer 2

1) 16,2:2,7+2,28=6+2,28=8,28
2)8,28×4,5-38,639=37,26-38,639=-1,379