Rút gọn
giúp t 3,4,5,6,7,8
----- Nội dung ảnh -----
1/ \(\left(-\frac{4}{5} + \frac{4}{3}\right) + \left(-\frac{5}{4} + \frac{14}{5}\right) - \frac{7}{3}\)
2/ \(\frac{8}{3} \cdot \frac{2}{5} \cdot \frac{3}{8} \cdot \frac{19}{92}\)
3/ \(\frac{-15}{64} + (0.8 - 2) \cdot \frac{4}{15} : \frac{23}{24}\)
4/ \(\frac{7}{0.75} - \frac{-43}{80} \cdot \left(-\frac{4}{5} + 2.5 \cdot \frac{3}{4}\right)\)
5/ \(\frac{-0.75 + 4}{3}\)
6/ \(\frac{6}{7} \cdot 7.5 \cdot 1 \cdot \frac{3}{4} - \frac{6}{5}\)
7/ \( \frac{8}{1} \cdot \frac{13}{15} \cdot 0.75 - \left(\frac{8}{15} + 25\%\right) \)
----- Nội dung ảnh -----
1/ \(\left(-\frac{4}{5} + \frac{4}{3}\right) + \left(-\frac{5}{4} + \frac{14}{5}\right) - \frac{7}{3}\)
2/ \(\frac{8}{3} \cdot \frac{2}{5} \cdot \frac{3}{8} \cdot \frac{19}{92}\)
3/ \(\frac{-15}{64} + (0.8 - 2) \cdot \frac{4}{15} : \frac{23}{24}\)
4/ \(\frac{7}{0.75} - \frac{-43}{80} \cdot \left(-\frac{4}{5} + 2.5 \cdot \frac{3}{4}\right)\)
5/ \(\frac{-0.75 + 4}{3}\)
6/ \(\frac{6}{7} \cdot 7.5 \cdot 1 \cdot \frac{3}{4} - \frac{6}{5}\)
7/ \( \frac{8}{1} \cdot \frac{13}{15} \cdot 0.75 - \left(\frac{8}{15} + 25\%\right) \)