Các câu hỏi tương tự
tính bằng cách thuận tiện 5/7 x 3/5 - 10/14 x 2/15
Giúp mik dzới ạ !
NT
1 tháng 3 2023 lúc 20:32
Tìm x, biết:
a) x - 2 = \(\dfrac{7}{15}\)
b) \(\dfrac{9}{20}\) + x = \(\dfrac{2}{5}\) + \(\dfrac{3}{20}\)
dfrac{2}{5} x dfrac{3}{4}-dfrac{1}{8}
dfrac{4}{3}+dfrac{1}{3}-dfrac{1}{5}dfrac{9}{20}-dfrac{3}{5} x dfrac{1}{4}
dfrac{2}{8}+dfrac{2}{3}:dfrac{4}{5}
Đọc tiếp
\(\dfrac{2}{5}\) x \(\dfrac{3}{4}-\dfrac{1}{8}\) \(= \)
\(\dfrac{4}{3}+\dfrac{1}{3}-\dfrac{1}{5}=\)
\(\dfrac{9}{20}-\dfrac{3}{5}\) x \(\dfrac{1}{4}\)\(= \)
\(\dfrac{2}{8}+\dfrac{2}{3}:\dfrac{4}{5}\)\(=\)
NK
15 tháng 3 2022 lúc 19:25
Phân số \(\dfrac{4}{6}\)bằng phân số:
A. \(\dfrac{20}{16}\) B: \(\dfrac{16}{20}\) C. \(\dfrac{16}{24}\) D. \(\dfrac{24}{20}\)
HÌ HÌ GIÚP EM NHÉ CHO EM XIN CÁI GP NHA
a,\(\dfrac{5}{7}\) x Y = \(\dfrac{3}{5}\)
b,\(\dfrac{1}{8}\) : y = \(\dfrac{3}{20}\)
\(\dfrac{1}{8}\) x X = \(\dfrac{1}{5}\)
các pác giúp em vs
BC
1 tháng 4 2022 lúc 17:03
\(\)a) \(\dfrac{3}{5}+\dfrac{11}{20}\) b) \(\dfrac{5}{8}-\dfrac{4}{9}\) c) \(\dfrac{9}{16}\) x \(\dfrac{4}{3}\)
d) \(\dfrac{4}{7}:\dfrac{8}{11}\) e) \(\dfrac{3}{5}+\dfrac{4}{5}:\dfrac{2}{5}\)
\(\dfrac{3}{5}+\dfrac{1}{2}+\dfrac{8}{15}\)
\(\dfrac{6}{9}+\dfrac{14}{18}-\dfrac{5}{6}\)
\(\dfrac{9}{20}-\dfrac{3}{5}:\dfrac{4}{1}\)
\(\dfrac{1}{6}+\dfrac{2}{3}\) x \(\dfrac{8}{9}\)
\(\dfrac{x+ 3}{20}=\dfrac{5}{4}\)