Дам 20 б ПОМОГИТЕ плис 1)2 x/3a^2b+3y/4ab^2 2)3b/5a^5-7c/2a^4b 3)4/15x^2y+3/5xy-2/3xy^2...

Question

Дам 20 б ПОМОГИТЕ плис
1)2 x/3a^2b+3y/4ab^2
2)3b/5a^5-7c/2a^4b
3)4/15x^2y+3/5xy-2/3xy^2
4)a/12c^3-a/8c^2d^4+a/24c^4d^3
5)2b/a+1-5b/3(a+1)
6)3a/4(b-1)-8a/b-1
7)7y/6(x-2)+4y/5(x-2)
8)3x/10(y+3)-2x/15(y+3)
9)4m^2/3-m+4m
10)8n/2-n-4n

Answer 1

1)2 x/3a^2b+3y/4ab^2= 2a2b/3+3y:4*ab2