\(\dfrac{22}{5}\) x \(\dfrac{21}{22}\) x \(\dfrac{5}{21}\)
= \(\dfrac{5}{5}\) = 1
Tick cho mik nha
\(\dfrac{16}{21}\) + \(\dfrac{6}{7}\) ; \(\dfrac{15}{22}\) x \(\dfrac{11}{35}\) ; \(\dfrac{8}{11}\) : \(\dfrac{5}{22}\) ; \(\dfrac{9}{13}\) : \(\dfrac{27}{39}\) .
\(a.\dfrac{3}{5}\) x \(\dfrac{17}{21}\) \(+ \) \(\dfrac{17}{21}\) x \(\dfrac{2}{5}\)
\(b.(\dfrac{8}{5}+\dfrac{5}{6}):\dfrac{7}{6}\)
TÍNH THUẬN TIỆN
\(\dfrac{21}{5}\) X 13 X \(\dfrac{5}{21}\)
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. \(\dfrac{22}{15}\)
\(\dfrac{4}{7}\)x\(\dfrac{21}{16}\):\(\dfrac{5}{8}\)
\(\dfrac{4}{7}\)x\(\dfrac{21}{16}\):\(\dfrac{5}{8}\)
a) \(\dfrac{5}{11}\) + \(\dfrac{7}{16}\) x \(\dfrac{8}{21}\) =
b) \(\dfrac{5}{2}\) - \(\dfrac{8}{5}\) : 6 =
Mọi người trình bày nhé
\(xx\dfrac{2}{7}x\dfrac{3}{4}=\dfrac{5}{21}\)
98775 - 32 x 85 / 67500 - 24 x 236 / 568 + 101598 : 287 / 6875 + 980 -180 \(\dfrac{2}{5}+\dfrac{3}{10}-\dfrac{1}{2}\) / \(\dfrac{8}{11}+\dfrac{8}{33}\) x \(\dfrac{3}{4}\) / 7/9 x 3/14 :5/8 / \(\dfrac{5}{12}-\dfrac{7}{32}:\dfrac{21}{16}\)
ÉT O ÉT
