\(\dfrac{21}{8}\)+\(\dfrac{7}{6}\)

=\(\dfrac{63}{24}\)+\(\dfrac{28}{24}\)

=\(\dfrac{91}{24}\)

\(\dfrac{9}{11}\)nhân\(\dfrac{22}{21}\)

=\(\dfrac{6}{7}\)

5-\(\dfrac{29}{8}\)

=\(\dfrac{11}{8}\)

\(\dfrac{15}{8}\):7

=\(\dfrac{15}{56}\)

\(\dfrac{21}{8}\)+\(\dfrac{7}{6}\)

=\(\dfrac{63}{24}\)+\(\dfrac{28}{24}\)

=\(\dfrac{91}{24}\)

\(\dfrac{9}{11}\)nhân\(\dfrac{22}{21}\)

=\(\dfrac{6}{7}\)

5-\(\dfrac{29}{8}\)

=\(\dfrac{11}{8}\)

\(\dfrac{15}{8}\):7

=\(\dfrac{15}{56}\)

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

5mm=0,5cm

891kg=0,891 tấn

3m vuông 9dm vuông=3,09m vuông

2 và\(\dfrac{3}{4}\)

3 và\(\dfrac{1}{2}\)

2 và\(\dfrac{3}{4}\)

3 và\(\dfrac{1}{2}\)