Ответ:
1)5/4x*2x/3 = 5/4*2/3 = 5/2*1/3 = 5/6
2)a2/8*4/a = a/8*4 = a/2
3)6b/7y*14/3b = 6/7y*14/3 = 2/7y*14 = 2/y*2 = 4/y
4)p2/18*36/p = p/18*36 = p*2 = 2p
5)9/2m*5m/3 = 9/2*5/3 = 3/2*5 = 15/2 = 7,5
6)12/7p*p3/12q = 1/7p*p3/q = 1/7*p2/q = p2/7q
Объяснение: