\(\dfrac{15}{16}-\dfrac{7}{15}=\dfrac{225}{240}-\dfrac{112}{240}=\dfrac{113}{240}\)
\(\dfrac{15}{16}-\dfrac{7}{15}=\dfrac{225}{240}-\dfrac{112}{240}=\dfrac{113}{240}\)
\(\dfrac{15}{16}-\dfrac{7}{15}=\dfrac{225}{240}-\dfrac{112}{240}=\dfrac{113}{240}\)
\(\dfrac{15}{16}-\dfrac{7}{15}=\dfrac{225}{240}-\dfrac{112}{240}=\dfrac{113}{240}\)
\(\dfrac{11}{9}\) - \(\dfrac{5}{6}\) : 15
\(\dfrac{3}{16\:}\)+ \(\dfrac{ }{ }\)\(\dfrac{7}{30}\) x \(\dfrac{15}{28}\)
tính thuận tiện:
\(\dfrac{4}{5}+\dfrac{2}{3}+\dfrac{1}{5}+\dfrac{1}{3}\) \(\dfrac{17}{12}+\dfrac{29}{7}-\dfrac{8}{7}+\dfrac{7}{12}\) \(\dfrac{9}{15}+\dfrac{16}{7}+\dfrac{2}{5}-\dfrac{1}{7}-\dfrac{2}{14}\)
\(\dfrac{2}{5}+\dfrac{6}{9}+\dfrac{7}{4}+\dfrac{3}{5}+\dfrac{1}{3}+\dfrac{1}{4}\)
mik sẽ chỉ tick 3 bn xong trước phải chi tiết rõ ràng
so sánh với 1 :
\(\dfrac{1}{4444};\dfrac{3}{7};\dfrac{9}{5};\dfrac{7}{3};\dfrac{14}{15};\dfrac{16}{16};\dfrac{14}{11}\)
↑ \(\dfrac{1}{4}\) :>
phân số bằng phân số \(\dfrac{5}{7}\) là:
A.\(\dfrac{25}{21}\) B.\(\dfrac{15}{16}\) C.\(\dfrac{15}{21}\) D.\(\dfrac{18}{35}\)
\(\dfrac{3}{5}\) x \(x\) \(-\) \(\dfrac{3}{2}\) = \(\dfrac{5}{6}\)
\(\dfrac{12}{15}+\dfrac{37}{7}+\dfrac{16}{5}+57\)
\(\dfrac{16}{21}\) + \(\dfrac{6}{7}\) ; \(\dfrac{15}{22}\) x \(\dfrac{11}{35}\) ; \(\dfrac{8}{11}\) : \(\dfrac{5}{22}\) ; \(\dfrac{9}{13}\) : \(\dfrac{27}{39}\) .
Tính
\(\dfrac{15}{16}\) x \(\dfrac{4}{5}\)
Tính giá trị biểu thức:
\(\dfrac{2}{3}\) + \(\dfrac{8}{15}\) : \(\dfrac{16}{25}\) =
tính
\(\dfrac{27}{15}\)+\(\dfrac{6}{8}\)
\(\dfrac{19}{24}\)+\(\dfrac{7}{18}\)
\(\dfrac{2}{9}\)-\(\dfrac{1}{6}\)
\(\dfrac{8}{15}\)-\(\dfrac{1}{3}\)