Addition
12+(-5)
17
10-(-3)
13
-3*4
*= multiplication symbol
-12
10/-2
/=division
-5
plot- (-9,5)

-----------
68+(-9)
59
16-(-9)
25
7*(-13)
*= multiplication symbol
-91
72/-6
/=division
-12
(-3,4)

-----------
-43+78
35
-58-37
-95
-12*(-16)
*= multiplication symbol
192
84/-3
/=division
-28
(-2,-9)

----------------------
12+(-3)+(-55)
-46
25-(-12)-7
30
12*(-7)*9
*= multiplication symbol
-756
156/-26
/=division
-6
(7,-8)
(-9,10)

----------------------------
102+(-78)+96
120
124-(-3)-98
29
163*(-47)*(-88)
674,168
125/-4
/=division
-31.25
(-3,2)
(5,-8)

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