Chủ đề:
Ôn tập chương IIICâu hỏi:
a)(\(\dfrac{3}{4}\)x-10,5):3=\(\dfrac{15}{8}\):80%
b)\(\dfrac{-2}{3}\)+\(\dfrac{1}{3}\)x=\(\dfrac{3}{5}\):\(\dfrac{3}{2}\)
c)(\(\dfrac{2}{9}\)-x):\(\dfrac{5}{6}\)=\(\dfrac{-4}{3}\)
d)(x+\(\dfrac{11}{2}\))-\(\dfrac{7}{3}\)-3=\(\dfrac{1}{2}\)