05MAR21FRI

Interpretation of addition:

ADD 6 AND 2

6 + 2 = ?

6 steps right, then

2 steps right

That makes 8 steps right.

The answer, therefore, is: 8


ADD -6 AND 2
-6 + 2 = ?
6 steps left, then
2 steps right
That makes 4 steps left.
The answer, therefore, is: -4


ADD 6 AND -2

6 + -2 = ?

6 steps right, then

2 steps left

That makes 4 steps right.

The answer, therefore, is: 4


ADD -6 AND -2
-6 + -2 = ?
6 steps left, then
2 steps left
That makes 8 steps left.
The answer, therefore, is: -8


Interpretation of subtraction:

SUBTRACT 2 FROM 6
6 –– 2 = ?
Start from 0,
6 steps right, take U-turn,
2 steps right
That makes 4 steps right.
The answer, therefore, is: 4

SUBTRACT 2 FROM -6
-6 –– 2 = ?
Start from 0,
6 steps left, take U-turn,
2 steps right
That makes 8 steps left.
The answer, therefore, is: -8

SUBTRACT -2 FROM 6
6 –– -2 = ?
Start from 0,
6 steps right, take U-turn,
2 steps left
That makes 8 steps right.
The answer, therefore, is: 8

SUBTRACT -2 FROM -6
-6 –– -2 = ?
Start from 0,
6 steps left, take U-turn,
2 steps left
That makes 4 steps left.
The answer, therefore, is: -4

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