-3+(-2)
what is -5
8-13
-7(11)
what is -77
-21/-7
what is 3
6 degrees above normal
what is +6
-6+(-7)
what is -1
f=-6
f-g
-13
25(-2)
what is 50
s=-4 t=-6
s+t/5
what is 2
[-5]-[2]
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