HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
a, \(\dfrac{2}{3}\) - \(\dfrac{4}{7}\) : \(\dfrac{9}{14}\)
b, x - \(\dfrac{7}{3}\) = \(\dfrac{8}{9}\)
c, \(\dfrac{3}{4}\) x + \(\dfrac{1}{4}\) ( x + 1 ) = - \(\dfrac{11}{4}\)
2/3 - 4/7 : 9/14
\(\dfrac{5}{12}\) + \(\dfrac{7}{4}\) - \(\dfrac{2}{3}\)
Câu 1:
\(\dfrac{13}{15}\). 0,75 - (\(\dfrac{9}{20}\) + 25% ) : 1\(\dfrac{2}{5}\)
Câu 2:
a, \(\dfrac{3}{2}\) - x = \(\dfrac{4}{9}\)
b, \(\dfrac{x}{3}\)+ 2 \(\dfrac{3}{7}\)= \(\dfrac{-5}{2}\)