\(\dfrac{5}{6}:4=\dfrac{5}{6}x\dfrac{1}{4}=\dfrac{5}{24}\)
\(\dfrac{10}{11}-\dfrac{3}{22}=\dfrac{20}{22}-\dfrac{3}{22}=\dfrac{17}{22}\)
5/6:4=5/6.1/4=5/24
10/11-3/22=20/22-3/22=17/22
\(\dfrac{5}{6}:4=\dfrac{5}{6}x\dfrac{1}{4}=\dfrac{5}{24}\)
\(\dfrac{10}{11}-\dfrac{3}{22}=\dfrac{20}{22}-\dfrac{3}{22}=\dfrac{17}{22}\)
5/6:4=5/6.1/4=5/24
10/11-3/22=20/22-3/22=17/22
\(\dfrac{16}{21}\) + \(\dfrac{6}{7}\) ; \(\dfrac{15}{22}\) x \(\dfrac{11}{35}\) ; \(\dfrac{8}{11}\) : \(\dfrac{5}{22}\) ; \(\dfrac{9}{13}\) : \(\dfrac{27}{39}\) .
\(\dfrac{2}{5}\) + \(\dfrac{5}{6}\)
\(\dfrac{11}{10}\) - \(\dfrac{2}{5}\) : \(\dfrac{2}{3}\)
\(\dfrac{2}{3}\) - \(\dfrac{3}{8}\)
\(\dfrac{5}{8}+\dfrac{6}{8}+\dfrac{9}{8}+\dfrac{11}{8}+\dfrac{10}{8}+\dfrac{55}{8}\)\(+\dfrac{4}{8}=?\)
\(\dfrac{10}{11}-\dfrac{3}{22}\)=
a,\(\dfrac{5}{8}\)+\(\dfrac{1}{4}\)\(-\)\(\dfrac{5}{6}\)
b,\(\dfrac{6}{11}\):\(\dfrac{3}{5}\)\(-\)\(\dfrac{2}{3}\)
Tính:
a) \(\dfrac{11}{10}+\dfrac{3}{5}:\dfrac{2}{3}\)
b) \(\dfrac{4}{3}\) + 5 x \(\dfrac{5}{8}\)
c) \(\left(\dfrac{2}{5}+\dfrac{3}{7}\right)x\dfrac{25}{29}\)
d) \(\dfrac{1}{4}x\dfrac{5}{12}+\dfrac{5}{12}x\dfrac{4}{5}\)
\(\dfrac{6}{7}\) + \(\dfrac{2}{3}\) x \(\dfrac{5}{4}\)
\(\dfrac{9}{5}\) - \(\dfrac{6}{7}\): \(\dfrac{11}{7}\)
Trong phép tính sau, giá trị của x là :
\(\dfrac{5}{9}\) : x = \(\dfrac{8}{9}\) - \(\dfrac{1}{5}\)
a. \(\dfrac{11}{6}\)
b. \(\dfrac{44}{30}\)
c. \(\dfrac{25}{31}\)
d. \(\dfrac{22}{15}\)
a \(\dfrac{3}{7}\)+\(\dfrac{3}{4}\)-\(\dfrac{1}{2}\)=
b \(\dfrac{6}{11}\)+\(\dfrac{2}{9}\)x12=
c \(\dfrac{5}{7}\)-\(\dfrac{8}{5}\):4=