Question

4. {2. [(2-5). 4+1]-5 }448 por favor me ajudem......

Answer 1

4.{2.[(-3).4+1]-5}448
4.{2.[-12+1]-5}448
4.{2.[-11]-5}448
4.{-22-5}448
4.{-27}448
(4.-27).448
-108.448
-48384

2)
9-(9.7-60)+2[11+(32-16.2)13]
9-(63-60)+2[11+(32-32)13]
9-(-3)+2[11+(0)13]
9+3+2[11+0.13]
14[11+0]
14.11
154