Posted by **Shanna** on Tuesday, January 20, 2009 at 7:37pm.

Can anyone answer these?

3/12 + 3/4x

4/(x + 3) * 3x/8

4x/15 รท 12x/3

13/(4x) * 16/39

(3/2)x + (5/2)

9/(4xa) - 3/4

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