Question

Решите плз!!! Подробно!!!!
1)8a^6b^3/3c : 4a^3/bc^3=
2)18x^2y*(2x/3y^3)^2=
3)10mn:2n^2/5m^3=

Answer 1

1
8a^6b^3/3c*bc^3/4a^3=2a^3b^4c^2/3
2
18x^2y*4x^2/9y^6=8x^4/y^5
3
10mn*5m^3/2n^2=25m^4/n