2целых2 /3÷2+(4/15+2/5)÷(3ЦЕЛЫХ1 /3×3/5)=

2[latex] \frac{2}{3} [/latex]÷2+([latex] \frac{4}{15} [/latex]+[latex] \frac{2}{5} [/latex])÷(3[latex] \frac{1}{3} [/latex]×[latex] \frac{3}{5} [/latex])=[latex] \frac{8}{3} [/latex]×[latex] \frac{1}{2} [/latex]+([latex] \frac{4}{15} [/latex]+[latex] \frac{6}{15} [/latex])÷([latex] \frac{10}{3} [/latex]×[latex] \frac{3}{5} [/latex])=[latex] \frac{4}{3} [/latex]+[latex] \frac{10}{15} [/latex]÷2=1[latex] \frac{1}{3} [/latex]+[latex] \frac{10}{15} [/latex]×[latex] \frac{1}{2} [/latex]=1[latex] \frac{1}{3} [/latex]+[latex] \frac{5}{15} [/latex]=1[latex] \frac{1}{3} [/latex]+[latex] \frac{1}{3} [/latex]=1[latex] \frac{2}{3} [/latex]