This could be answered several different ways.
A square can't be 1 x 2. In a 1 x 2 rectangle, it's likely that 1 is the width.
Surely it would be easier to use your Windows calculator or a spreadsheet than to wait for someone to list all 200 multiples here. The list of two hundred numbers wouldn't be a lot of help within this answer anyway. Incidentally, the highest multiple will be 1400.
1x2
is 1x2=34Answeris 1x2=34
The cast of 1x2 - 1989 includes: Giannis Delkos as Himself - Host
4
1x2^2 + 0x2^1 + 1x2^0 = 4 + 0 + 1 = 5 in decimal
0172csfsb 1x2
1x2 2x1
-5
3
1x2=
it can only be made by multiplying 2x1 or 1x2
The answer is zero.