Помогите решить 3 номер,4и5
4. б) 2.65(х-3.06)=4.24 2.65х-8.109=4.24 2.65х=4.24+8.109 2.65х=12.349 х=4.66 а) y-4*7/10=5*8/15 y=83/15+47/10 y=(166+141)/30 y=307/30 5. 1/36+1/3+1/6.
5. 1/36+1/3+1/6.