Объяснение:
1. 48xy²/12y³x =4/y
2. 72cm⁴/36cm⁶ =2/m
3. b²-25/b²-5a =(b+5)/b
4. 2e+e²/4-e² =e/(2-e)
5. mn-m²n/mn =(n-m)/n
6. 36-k²/12k²-72k =-(6+k)/2k
7. ep-p²/p-ep =(e-p)/(1-e)
8. m²+8m/m²+16m+64 =m/(m+8)
9. k-3/9-k² =-1/(3+k)
10. 36-12a+m2/m²-36=(m-6)/(m+6)
