數學問題 方程

2013-06-04 8:42 am
1/(3x)=?
answer is 0.333x or 0.333/x ?

Also, let 1/(3x) = 4
answer is 1=12x, then 1/12=x
or
0.3333x=4, then x=12?



in addition, (2)/(-y) = -2y?

回答 (1)



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