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Tính:
a) \(889972 + 96308\); b) \(\dfrac{5}{6} + \dfrac{7}{12}\);
c) \(3+\dfrac{5}{7}\); d) \(926,83 + 549,67\).
a) \(889972 + 96308 = 986280\) ;
b) \(\dfrac{5}{6} + \dfrac{7}{12} = \dfrac{10}{12} + \dfrac{7}{12} = \dfrac{17}{12}\) ;
c) \(3+\dfrac{5}{7} = \dfrac{21}{7}+ \dfrac{5}{7} = \dfrac{26}{7}\)
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