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QMC1 - A S N
QMC1 Alwyas sometimes and never questions
| Question | Answer |
|---|---|
| x+y=y+x | Always |
| xy+xz=x(y+z) | Always |
| x(x)=x^2 | Always |
| xy=yx | Always |
| 3x+3/3=x+1 | Always |
| x-y=y-x | Sometimes |
| x-y=x+y | Sometimes |
| xy=x+y | Sometimes |
| x+x=x^2 | Sometimes |
| x+y=x | Sometimes |
| x(0)=x | Sometimes |
| -(x-y)=-x-y | Sometimes |
| x/y=y/x | Sometimes |
| x+1=x | Never |
| x^0=0 | Never |
| 1/x=0 | Never |