Question

(6,9+2,55)*2,60-3,5*2,7

Answer 1

(6,9+2,55) * 2,60 - 3,5*2,7 = 15,12 
1) 6,9 + 2,55 = 9,45 
2) 9, 45 * 2,60 = 24,57
3) 3,5 * 2,7 = 9, 45
4) 24,57 - 9, 45 = 15,12