Bùi Trung Anh
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2024-10-29 20:50:08
a) \(\dfrac{21}{8}\) + \(\dfrac{7}{6}\) =\(\dfrac{91}{24}\)
b) 5 - \(\dfrac{29}{8}\) = \(\dfrac{19}{8}\)
c) \(\dfrac{9}{11}\) x \(\dfrac{22}{21}\) = \(\dfrac{6}{7}\)
d) \(\dfrac{18}{8}\) : 7 = \(\dfrac{9}{28}\)
2024-10-29 20:50:08
a) \(\dfrac{21}{8}\) + \(\dfrac{7}{6}\) =\(\dfrac{91}{24}\)
b) 5 - \(\dfrac{29}{8}\) = \(\dfrac{19}{8}\)
c) \(\dfrac{9}{11}\) x \(\dfrac{22}{21}\) = \(\dfrac{6}{7}\)
d) \(\dfrac{18}{8}\) : 7 = \(\dfrac{9}{28}\)
2024-10-29 20:50:03
a) \(\dfrac{21}{8}\) + \(\dfrac{7}{6}\) =\(\dfrac{91}{24}\)
b) 5 - \(\dfrac{29}{8}\) = \(\dfrac{19}{8}\)
c) \(\dfrac{9}{11}\) x \(\dfrac{22}{21}\) = \(\dfrac{6}{7}\)
d) \(\dfrac{18}{8}\) : 7 = \(\dfrac{9}{28}\)
2024-10-29 20:36:36
a)5 mm=0,5cm
b) 891kg=0,891 tấn
c) 3m2 9dm2 = 3,09m2
2024-10-29 20:29:55
\(4\dfrac{3}{2}\) ; \(3\dfrac{1}{2}\)