suma y resta
9+3+7+6
25
-4+(+6)+9-(-7)+8
26
+5+(+8+6)+(6+6)+1
32
+3x(-4+8)+(+8-8)+6
18
-9/(-1)-9x(-7)-3
69
3-3+7+6
13
+3-7-(+6)-2+(-9)
-21
-(+3)-3+7+(+6+3)
10
-3x(+5-6)-(+7-5)-6
+1-5x(+2)-8/(+8)
-10
1-1-3-5
-8
+2-(-8)+3+(-4)+1
10
-(-8)+1-9-(+6+1)
-7
-(-8)+6-2x(+4+1)
4
+4+3x(-5)-6/(-2)
-8
6-2+4+5
13
+5+3+(+4)-3+(-9)
0
-(+3)+9+2+(+2+6)
16
+(+1)+2+5x(-8+5)
-12
-2-6/(+6)+5x(-2)
-13
7-8+4-2
+3-8-(-4)-2+(-6)
-9
-(-2)-1+9-(+8+4)
-2
+(-7)+6-9(-1-6)
62
+5-7/(-7)-8x(+9)
-66