Question

tính bằng cách thuận tiện

       36x45/6x5=

Answer 1

\(\frac{36x45}{6x5}\)

\(=\frac{6x6x5x9}{6x5}\)

\(=6x9\)

\(=54\)

Answer 2

\(36.45\div6.5\)

\(=36:6.45:5\)

\(=6.9\)

\(=54\)

Answer 3

    \(\frac{36\times45}{6\times5}\)

\(=\frac{6\times6\times5\times9}{6\times5}\)

\(=6\times9\)

\(=54\)

           ~Hok tốt~

Answer 4

36x45/6x5

=36/6x45/5

=6x9

=54