In a mathamatical standpoint the equation is written as 1+(-2) with on a scale it will look like:
-3 --------------- -2 -------------- -1 ------------- 0 ------------- 1 ----------------- 2 ------------------------- 3
|------------------|
+1
In a mathamatical standpoint the equation is written as 1+(-2) with on a scale it will look like:
-3 ---- -2 ---- -1 ---- 0 ---- 1 ---- 2 ---- 3
|--------|
+1
Mathematically, the expression can be thought of as:
1+(−2)
When you add a negative number, it's the same as subtracting its absolute value. So the above expression becomes:
1−2
Which equals -1.
Therefore, the output of 1+-2 is -1.
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