111,112,121,211,122,212,221,222,113,131,311,133,313,331,333,223,232,322,233,323,332,123, 132, 213, 231, 312, 321
2 is prime, its only factors are one and itself.
(-1)+(-2)=(-3) (-1)(-2)=2
1 and 1/2 + 1 and 1/2
4 *2/2*1
256!
4 + 1 - 2 = 3
2 and 1
They are 1 x 2 assuming you mean whole numbers.
11 x 2 x 2 - 2
2 1/2
Yes, 1 1/2 + 1 1/2 = 2 2/2 or 3. The reason why are that real numbers and rational numbers are infinite and can add or subtract to make any number on the number line.