Tính hợp lý:
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Bài 3: Tính hợp lý:
a) \( \left( \frac{13}{5} + \frac{7}{16} \right) - \left( \frac{15}{16} \frac{6}{15} \right) \)
b) \( - \left( \frac{3}{10} \frac{6}{11} \right) - \left( \frac{21}{30} \frac{5}{11} \right) \)
c) \( \left( \frac{13}{5} + \frac{7}{16} \right) - \left( \frac{11}{16} \frac{12}{10} \right) \)
Bài 3: Tính hợp lý:
a) \( \left( \frac{13}{5} + \frac{7}{16} \right) - \left( \frac{15}{16} \frac{6}{15} \right) \)
b) \( - \left( \frac{3}{10} \frac{6}{11} \right) - \left( \frac{21}{30} \frac{5}{11} \right) \)
c) \( \left( \frac{13}{5} + \frac{7}{16} \right) - \left( \frac{11}{16} \frac{12}{10} \right) \)