對(duì)分式y(tǒng)2x,x3y2,14xy通分時(shí),最簡(jiǎn)公分母是( ?。?A.24x2y3 B.12x2y2 C.24xy D.12xy2
對(duì)分式
,
,
通分時(shí),最簡(jiǎn)公分母是( ?。?br/>A. 24x
2y
3B. 12x
2y
2C. 24xy
D. 12xy
2
優(yōu)質(zhì)解答
∵分式
,
,
的分母是2x,3y
2,4xy,
∴它們的最簡(jiǎn)公分母為12xy
2.
故選D.
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