Сократите дроби: ( ) 1. 10x^2y^4 (c-d)/20xy^5 (d-c)= 2. 8-3c/9c^2-64= 3. (x-y)^2/x^2-y^2= 4. y^2-x^2/x^2+2xy+y^2= 5. ma^2-m^2a/m^2-ma=

dasha5334678    3   17.04.2019 16:52    13