2/11+(3.6+1 7/22)=5.1 плиз, 10 баллов
2/11+(3,6+1⁷/₂₂)=2/11+(3³/₅+1⁷/₂₂)=2/11+(18/5+29/22)= =2/11+(18*22+29*5)/110=2/11+(396+145)/110=2/11+541/110= =20/110+541/10=561/110≡5,1.