Question

3-0,1(6)+1/2

bày mình cách tính với

Answer 1

\(\text{Đổi:}0,1\left(6\right)=0+\frac{16-1}{90}=\frac{15}{90}=\frac{1}{6}\)

=> 3-0,1(6)+1/2

= 3-1/6+1/2

= \(\frac{18-1+3}{6}\)

=20/6

=10/3

 

Answer 2

3-0,1(6)+1/2

=3-1/6+1/2

=17/6+1/2

=10/3

Answer 3

3-0,1(6)+1/2

=3-0,1+0,(1)x6+1/2

=3-0,1+1/9x6+1/2

=3-0,1+1/3+1/2

=19/10