Thực hiện phép tính
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<!--[endif]--> gipus mik nhé
1) \( \frac{4}{3} + \frac{3}{5} + \frac{7}{3} + \frac{2}{1} \)
4) \( -\frac{2}{5} + \frac{3}{-4} + \frac{6}{7} + \frac{2}{5} \)
7) \( -\frac{5}{9} + \frac{8}{15} - \frac{2}{11} + \frac{4}{-9} + \frac{7}{15} \)
10) \( -\frac{4}{12} + \frac{18}{45} - \frac{6}{9} - \frac{21}{35} + \frac{6}{30} \)
12) \( \frac{8}{3} + \frac{17}{9} + \frac{19}{13} + \frac{1}{3} + \frac{1}{9} \)
14) \( -\frac{17}{13} + \frac{2}{135} + \frac{11}{4} + \frac{20}{31} \)
16) \( \frac{32}{37} + \frac{5}{.12} + \frac{7}{37} + \frac{7}{12} + \frac{5}{16} + \frac{11}{16} \)
18) \( \frac{6}{21} - \frac{12}{44} + \frac{10}{14} - \frac{1}{-4} - \frac{18}{33} \)
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path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f">
o:title=""/>
<!--[endif]--> gipus mik nhé
1) \( \frac{4}{3} + \frac{3}{5} + \frac{7}{3} + \frac{2}{1} \)
4) \( -\frac{2}{5} + \frac{3}{-4} + \frac{6}{7} + \frac{2}{5} \)
7) \( -\frac{5}{9} + \frac{8}{15} - \frac{2}{11} + \frac{4}{-9} + \frac{7}{15} \)
10) \( -\frac{4}{12} + \frac{18}{45} - \frac{6}{9} - \frac{21}{35} + \frac{6}{30} \)
12) \( \frac{8}{3} + \frac{17}{9} + \frac{19}{13} + \frac{1}{3} + \frac{1}{9} \)
14) \( -\frac{17}{13} + \frac{2}{135} + \frac{11}{4} + \frac{20}{31} \)
16) \( \frac{32}{37} + \frac{5}{.12} + \frac{7}{37} + \frac{7}{12} + \frac{5}{16} + \frac{11}{16} \)
18) \( \frac{6}{21} - \frac{12}{44} + \frac{10}{14} - \frac{1}{-4} - \frac{18}{33} \)