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2025-03-16 11:11:18
sắp xếp:\(\dfrac{-2}{3}\), \(\dfrac{-1}{3}\), 0 , \(\dfrac{1}{2}\)
2025-03-16 11:11:18
sắp xếp:\(\dfrac{-2}{3}\), \(\dfrac{-1}{3}\), 0 , \(\dfrac{1}{2}\)
2025-03-16 11:08:02
a) \(\dfrac{25}{6}\):\(\dfrac{5}{3}\)-(\(\dfrac{-1}{4}\))
= \(\dfrac{25}{6}\).\(\dfrac{3}{5}\)-(\(\dfrac{-1}{4}\))
=\(\dfrac{5}{2}\)+\(\dfrac{1}{4}\)
=\(\dfrac{5.2}{2.2}\)+\(\dfrac{1}{4}\)
=\(\dfrac{10}{4}\)+\(\dfrac{1}{4}\)
=\(\dfrac{11}{4}\)
b)\(\dfrac{1}{8}\).\(\dfrac{3}{2}\)+\(\dfrac{1}{8}\).(-\(\dfrac{1}{2}\))
=\(\dfrac{1}{8}\).(\(\dfrac{3}{2}\)-\(\dfrac{1}{2}\))
=\(\dfrac{1}{8}\).1
=\(\dfrac{1}{8}\)