![\frac{\:\left(\sqrt[3]{\sqrt[5]{2}}\right)^{30}}{\:40} =\\\left | \:\:\left(\sqrt[3]{\sqrt[5]{2}}\right)^{30} = \left(\left(\sqrt[5]{2}\right)^{\frac{1}{3}}\right)^{30} = \left(\sqrt[5]{2}\right)^{10}=(2^{\frac{1}{5}})^{10}=2^2=4 \right \\\\= \frac{4}{40} =\frac{1}{10} =0,1](/tpl/images/1101/9620/5a022.png)
1,(18)=1+0,(18)
0,(18)=x
18,(18)=100x
18+0,(18)=100x
18+x=100x
18=99x
x=18/99
x=2/11
0,(18)=2/11
1,(18)=1+0,(18) =1+2/11=13/11
2,(27)=7+0,(27)
0,(27)=x
27,(27)=100x
27+0,(27)=100x
27+x=100x
27=99x
x=27/99
x=3/11
0,(27)=3/11
1,(27)=1+0,(27) =1+3/11=14/11
0,(13)=x
13,(13)=100x
13+0,(13)=100x
13+x=100x
13=99x
x=13/99
0,(13)=13/99
2,(23)=7+0,(23)
0,(23)=x
23,(23)=100x
23+0,(23)=100x
23+x=100x
23=99x
x=23/99
x=23/99
0,(23)=23/99
2,(23)=2+0,(23) =2+23/99
