Question

\(\frac{1212\cdot131313}{1313\cdot121212}\)

Answer 1

1ai k mik mik k lai

Answer 2

=1

K CHO MÌNH NHA

Answer 3

bang 1 nhe

Answer 4

\(\frac{1212x131313}{1313x121212}=1\)

Answer 5

\(\frac{1212.131313}{1313.121212}=\frac{12.101.13.10101}{13.101.12.10101}=1\)

Answer 6

\(\frac{1212.131313}{1313.121212}\)

= 1 

nha bn

Answer 7

\(\frac{1212.131313}{1313.121212}\)

\(=\frac{12.101.13.10101}{13.101.12.10101}\)

\(=1\)

Answer 8

\(\frac{1212\cdot131313}{1313\cdot121212}=\)\(\frac{12\cdot101\cdot13\cdot10101}{13\cdot101\cdot12\cdot10101}=\)\(1\)

Answer 9

\(\frac{1212.131313}{1313.121212}\)

\(=\frac{12.101.13.10101}{13.101.12.10101}\)

\(=1\)