evaluate meantally
3-15+4
-34-6+12
5(-9-4)
5-3(-4)
1/2(-26)
14-21/-7
-5^2
(-5)^2
-8
-28
-65
-13
1
25
3-15+4
-34-6+12
5(-9-4)
5-3(-4)
1/2(-26)
14-21/-7
-5^2
(-5)^2
-8
-28
-65
-13
1
25