Имена участников (разделяйте запятой).
w(Mg)=M(Mg)/M(MgCO3) w(Mg)=24/84= 0.286=28.6%
1. а) х^3+x^2-x-1 б) 16-4a+a^3-a^4 2. a) (p+k-4)(p+k+4) б) (a-b+5)(a+b+5) в) (x-y-6)(x+y+6) г)(m-n+2)(m+n-2)
1)Manners of this type of breeding. 2)Manners are important for the society and understanding. For the correct обшения. 3)manners in all the...
