Question

12/2:2/1

Answer 1

\(\frac{12}{2}\div\frac{2}{1}=6\div2=3\)

Answer 2

12/2:2/1=3

Answer 3

12/2:2/1=3

Answer 4

\(\frac{12}{2}:\frac{2}{1}=\frac{12x1}{2x2}=\frac{12}{4}=3\)

Answer 5

\(\frac{12}{2}\): \(\frac{2}{1}\)=  6 : 2 = 3

Answer 6

= 3 nha

Answer 7

    \(\frac{12}{2}\): \(\frac{2}{1}\)

=     \(\frac{12}{2}\) x  \(\frac{1}{2}\)

=            \(\frac{12}{4}\)

=                \(3\)