Odpowiedź:
2*3+5=6+5=11
x-7= -5
(3*-2)+4= -6+4=- 2
4^2+1=17
2+ -4 = -2
7-(3*-2)=7--6=13
3(3-5)=9-15= -6
4-(6*-3)=4--18=22
-11(-11-3)=121 - -33=154
1/2^2-4*1/2 +12= 0,25-2+12=10,25
-1^3- -1^2 = -1 -1 = -2
