0 * (-1) = 0
It is: 2 minus 1 minus 1 = 0
8
3-2-1=0
X + 1 - x - 1 = 0, for all x. Regroup: (x - x) + (1 - 1) = 0 + 0.
0-(-1) is the same as 0+1, so 0-(-1)=1
1 - 1 = 0
0
Zero '0'
It is: -1--1 = 0
Minus 1 times 0 plus 3 divided by 3 is equal to 1
Minus is less than no minus. For example, -3 is less than 0 or +1.