Tìm x biết
----- Nội dung ảnh -----
Bài 1: Tìm x biết
1) \(\frac{x}{3} = \frac{2}{3} + \frac{-1}{7}\)
2) \(\frac{x}{5} = \frac{5}{6} - \frac{19}{30}\)
3) \(\frac{x}{70} = \frac{2}{5} - \frac{3}{7}\)
4) \(\frac{5}{6} + \frac{-19}{30} = \frac{1}{x}\)
5) \(\frac{x}{6} = \frac{1}{2} - \frac{2}{3}\)
6) \(\frac{1}{4} - \frac{7}{5} = \frac{x}{20}\)
Bài 1: Tìm x biết
1) \(\frac{x}{3} = \frac{2}{3} + \frac{-1}{7}\)
2) \(\frac{x}{5} = \frac{5}{6} - \frac{19}{30}\)
3) \(\frac{x}{70} = \frac{2}{5} - \frac{3}{7}\)
4) \(\frac{5}{6} + \frac{-19}{30} = \frac{1}{x}\)
5) \(\frac{x}{6} = \frac{1}{2} - \frac{2}{3}\)
6) \(\frac{1}{4} - \frac{7}{5} = \frac{x}{20}\)