lớn đến bé:178,9;17,89;1,789;1,709

làm tròn số thập phân bé nhất đến hàng phần trăm:1,71

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

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

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

\(\dfrac{9}{11}\)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

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

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

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

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

\(\dfrac{9}{11}\)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

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

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

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

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

\(\dfrac{9}{11}\)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

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

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

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

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

\(\dfrac{9}{11}\)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

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

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

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

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

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

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

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

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

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

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