2m²n/3pq²×5p²q/4mn²÷5mnp/3q

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2m²n/3pq²×5p²q/4mn²÷5mnp/3q
2m²n/3pq²×5p²q/4mn²÷5mnp/3q

2m²n/3pq²×5p²q/4mn²÷5mnp/3q
(2m 2;n/3pq 2; )(5p 2;q/4mn )/ (5mnp/3q) =(m/3q)(5p/2)/ (5mnp/3q) =(5pm/6q)/ (5mnp/3q) (颠倒相乘) =(5pm/6q) (3q/

sorry

1/2n²