2m^2n/3pq^2 * 5p^2q/4mn / 5mnp/3q 怎么化简

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2m^2n/3pq^2*5p^2q/4mn/5mnp/3q怎么化简2m^2n/3pq^2*5p^2q/4mn/5mnp/3q怎么化简2m^2n/3pq^2*5p^2q/4mn/5mnp/3q怎么化简(

2m^2n/3pq^2 * 5p^2q/4mn / 5mnp/3q 怎么化简
2m^2n/3pq^2 * 5p^2q/4mn / 5mnp/3q 怎么化简

2m^2n/3pq^2 * 5p^2q/4mn / 5mnp/3q 怎么化简
(2m²n/3pq² )(5p²q/4mn )/ (5mnp/3q)
=(m/3q)(5p/2)/ (5mnp/3q)
=(5pm/6q)/ (5mnp/3q) (颠倒相乘)
=(5pm/6q) (3q/5mnp)
=(1/2) (1/n)
=1/(2n)