Răspuns :
Răspuns:
-(54+21)+(-19+21)-(54+17)+2 =
= - 54 - 21 - 19 + 21 - 54 - 17 + 2 =
= - 142
- ( 54 + 21 ) + ( - 19 + 21 ) - ( 54 + 17 ) + 2
- 75 - 40 - 71 + 2
- 115 - 71 + 2
- 186 + 2
- 184
Răspuns:
-(54+21)+(-19+21)-(54+17)+2 =
= - 54 - 21 - 19 + 21 - 54 - 17 + 2 =
= - 142
- ( 54 + 21 ) + ( - 19 + 21 ) - ( 54 + 17 ) + 2
- 75 - 40 - 71 + 2
- 115 - 71 + 2
- 186 + 2
- 184