4+2·[3+2-(4-1)]=
8
5·(17-12)=
25
45:5-45:9=
4
20:(16-12)
5
5+3-2·2=
4
10-[6-(-5+4)-2]+1
6
560-2²(34-24)²=
160
3²(15+5)²+2³(15-5)⁴=
83,600
-12+(-64)+(-17)+4+
-89
2·[3+(-2)·5]+(-2)·(-5)·(-3)=
-44
-13·(+3)-(-12)·(+7)=
45
25-50-56+50-25+56=
-5
(-35):(-5)-3·(5-7)=
-35
-11·[10+(-7)]+36:[(-1)-(-10)]=
-29
