Thực hiện phép tính
----- Nội dung ảnh -----
1) \(-\frac{20}{41} - \frac{4}{5}\)
2) \(-\frac{24}{15} - \frac{17}{34} - \frac{24}{-24}\)
3) \(-\frac{8}{15} - \frac{1}{4}\)
4) \(\left(-\frac{11}{15}\right) : \left(-\frac{1}{10}\right)\)
5) \(\frac{1}{5} - \left(-\frac{2}{5}\right)\)
6) \(\left(-3 - 1\right) : \left(-\frac{1}{7}\right) \cdot \left(-\frac{6}{49}\right)\)
Bài 9: Thực hiện phép tính
1) \(4,5 \cdot \left(-\frac{4}{9}\right)\)
2) \(2,4 \cdot \left(-\frac{3}{4}\right)\)
3) \(0,2 - \left(-\frac{15}{4}\right)\)
4) \((-3,5) : \left(-\frac{2}{5}\right)\)
5) \(-\frac{3}{23} \cdot (-2)\)
6) \(1,25 \cdot \left(-\frac{3}{8}\right)\)
Bài 11: Thực hiện phép tính
1) \(-\frac{1}{4} + \frac{4}{15} - \frac{3}{4}\)
2) \(\frac{2}{3} - \frac{1}{3} + \frac{7}{15}\)
3) \(\frac{2}{3} - \frac{1}{4} + \frac{1}{3}\)
4) \(\frac{4}{5} - \left(-\frac{2}{5}\right) - \frac{7}{10}\)
5) \(\frac{3}{5} - \frac{5}{4} + \frac{2}{5}\)
1) \(-\frac{20}{41} - \frac{4}{5}\)
2) \(-\frac{24}{15} - \frac{17}{34} - \frac{24}{-24}\)
3) \(-\frac{8}{15} - \frac{1}{4}\)
4) \(\left(-\frac{11}{15}\right) : \left(-\frac{1}{10}\right)\)
5) \(\frac{1}{5} - \left(-\frac{2}{5}\right)\)
6) \(\left(-3 - 1\right) : \left(-\frac{1}{7}\right) \cdot \left(-\frac{6}{49}\right)\)
Bài 9: Thực hiện phép tính
1) \(4,5 \cdot \left(-\frac{4}{9}\right)\)
2) \(2,4 \cdot \left(-\frac{3}{4}\right)\)
3) \(0,2 - \left(-\frac{15}{4}\right)\)
4) \((-3,5) : \left(-\frac{2}{5}\right)\)
5) \(-\frac{3}{23} \cdot (-2)\)
6) \(1,25 \cdot \left(-\frac{3}{8}\right)\)
Bài 11: Thực hiện phép tính
1) \(-\frac{1}{4} + \frac{4}{15} - \frac{3}{4}\)
2) \(\frac{2}{3} - \frac{1}{3} + \frac{7}{15}\)
3) \(\frac{2}{3} - \frac{1}{4} + \frac{1}{3}\)
4) \(\frac{4}{5} - \left(-\frac{2}{5}\right) - \frac{7}{10}\)
5) \(\frac{3}{5} - \frac{5}{4} + \frac{2}{5}\)