Question

Calculati:
[2,7]-[-3,2]+{2 ½}+{-2,3}
Ajutati-ma va rog !

Answer 1

$\lfloor2,7\rfloor - \lfloor-3,2\rfloor + \{2\frac{1}{2}\} + \{-2,3\} =\\ \\ =2 - (-4) + \{2+0,5\} + 0.7 = \\ \\ = 6 + 0,5 + 0,7 = \\ \\ = 7,2$