<PRE><B>Question 103374</B>
X/2+2/3
2X/3-2/5
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2X^2/6+4X/9-2X/10-4/15
2X^2/6+(10*4X-9*2X)/90-4/15
2X^2/6+(40X-18X)/90-4/15
2X^2/6+22X/90-4/15
2/3(X^2/2+11X/30-2/5)

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