EASY
2+5
7
-1--7
6
-3--3-3
-3+3-3 =
0-3=
-3
--2--2--3
--2--2--3=2+2+3=7
-5+9
4
-3+-2
-5
-4-(+4)-(+5)
-4-(+4)-(+5)=
-4-4-5=
-8-5=
-13
-(+8)-(+9)-(-17)
-(+8)-(+9)-(-17)=
-8 -9 +17=
-17 +17=
0
-3-5
-8
-5-(-1)
-5-(-1)=
-5+1=
-4
8+-4--5
8+-4--5=
8-4+5=
4+5=
9
-(+2)++5-(+3)
-(+2)++5-(+3)=
-2 +5 -3=
3 -3 =
0
7-3
4
-5--6
1
8--4--5--1
8--4--5--1 =
8+4+5+1 =
12+6=
18
-(+2)++5-(+3)+10
-(+2)++5-(+3)+10=
-2 +5 -3 +10=
+3 +7=
10
-9+4
-5
-2+-2
-4
8+(-4)-+5--1
8+(-4)-+5--1=
8-4-5+1=
4-4 =
0
-(-2)++5-(-3)-10
-(-2)++5-(-3)-10=
+2 +5 +3 -10=
10-10=
0