1,2•(5-а)=1,2•5-1,2=6-1,2а
(m-4x)•(-6)=-6m-4x•(-6)=-6m+4x•6=6m+24x
2,5×(4x-6y-2)=2,5•4x-2,5•6y-2,5•2=10x-15y-2,5•2=10x-15y-5
-0,1×(100a+10b)=0,1•100a+0,1•10b=10a+0,1•10b=10a+b
1,2•(5-а)=1,2•5-1,2=6-1,2а
(m-4x)•(-6)=-6m-4x•(-6)=-6m+4x•6=6m+24x
2,5×(4x-6y-2)=2,5•4x-2,5•6y-2,5•2=10x-15y-2,5•2=10x-15y-5
-0,1×(100a+10b)=0,1•100a+0,1•10b=10a+0,1•10b=10a+b