Tính hợp lý
bảo mình phần e nha cảm ơn
----- Nội dung ảnh -----
Bài 1: Tính hợp lý
a) \(- \frac{1}{6} + \frac{187}{287} + \frac{1}{2} - \frac{1}{3}\)
b) \(\frac{8}{12} + \frac{11}{13} - \frac{10}{6} + \frac{2}{13}\)
c) \(\frac{14}{28} + \frac{6}{13} + \frac{15}{36} - \frac{(-7)}{13}\)
d) \(\frac{4}{7} + \frac{8}{21} + \left(-\frac{1}{2}\right)^{2} - \frac{4}{7} + \frac{13}{21}\)
e) \(\frac{7}{12} - \frac{(-1)}{5} - \frac{5}{6} + \frac{2}{3} + \frac{(-1)}{5}.\)
----- Nội dung ảnh -----
Bài 1: Tính hợp lý
a) \(- \frac{1}{6} + \frac{187}{287} + \frac{1}{2} - \frac{1}{3}\)
b) \(\frac{8}{12} + \frac{11}{13} - \frac{10}{6} + \frac{2}{13}\)
c) \(\frac{14}{28} + \frac{6}{13} + \frac{15}{36} - \frac{(-7)}{13}\)
d) \(\frac{4}{7} + \frac{8}{21} + \left(-\frac{1}{2}\right)^{2} - \frac{4}{7} + \frac{13}{21}\)
e) \(\frac{7}{12} - \frac{(-1)}{5} - \frac{5}{6} + \frac{2}{3} + \frac{(-1)}{5}.\)