\(\frac{7}{12}:\frac{1}{3}=\frac{7\times3}{12}=\frac{7}{4}\)
\(\frac{7}{12}\): \(\frac{1}{3}\) = \(\frac{7}{12}\) x \(\frac{3}{1}\)= \(\frac{21}{12}\)= \(\frac{7}{4}\)
tk nhé
7/12:1/3
=7/12x3
=(7x3)/12
=21/12
=7/4
\(\frac{7}{12}:\frac{1}{3}=\frac{7\times3}{12}=\frac{7}{4}\)
\(\frac{7}{12}\): \(\frac{1}{3}\) = \(\frac{7}{12}\) x \(\frac{3}{1}\)= \(\frac{21}{12}\)= \(\frac{7}{4}\)
tk nhé
7/12:1/3
=7/12x3
=(7x3)/12
=21/12
=7/4
\(\frac{5}{12}\times\frac{2}{3}+\frac{2}{3}\times\frac{7}{12}+\frac{1}{3}\) tính thuận tiện
\(\frac{4}{3\times7}+\frac{5}{7\times12}+\frac{1}{12\times13}+\frac{7}{13\times20}+\frac{3}{20\times23}\)
Bài 1: Tính
a)\(\frac{1}{3}+\frac{3}{8}-\frac{7}{12}\)
b) \(\frac{3}{14}+\frac{5}{8}-\frac{1}{2}\)
c) \(\frac{1}{4}-\frac{2}{3}-\frac{11}{18}\)
d) \(\frac{1}{4}+\frac{5}{12}-\frac{1}{13}-\frac{7}{8}\)
#giải hộ mk vs mk đng cần gấp
\(54\frac{1}{7}+\frac{1}{12}+54\frac{1}{7}\cdot\frac{5}{6}\cdot\frac{1}{12}\cdot54\frac{1}{7}\)
a)\(\frac{3}{5}-\frac{1}{3}-\frac{1}{6}\)
b)\(\frac{4}{7}x\frac{5}{8}x\frac{7}{12}\)
c)\(\frac{25}{28}:\frac{15}{14}x\frac{6}{7}\)
a)\(\frac{11}{9}+\frac{7}{6}\cdot\left(2-\frac{1}{3}\right)\)
b)\(1\frac{1}{21}:\left(15,75-15\frac{1}{4}\right)+2\frac{1}{12}:\left(7\frac{3}{4}-7,25\right)\)
Bài 1 : Xếp các phân số sau theo thứ tự từ bé đến lớn :
\(a,\frac{7}{8};\frac{7}{13};\frac{7}{12};\frac{7}{10}\)
\(b,\frac{1}{4};\frac{3}{10};\frac{9}{40};\frac{3}{8}\)
Tính nhanh\(\frac{15-\frac{15}{7}-\frac{15}{12}}{3-\frac{3}{7}-\frac{3}{12}}\)
bài 1:tính
a)\(8\frac{7}{12}-5\frac{3}{8}=?\) b)\(2\frac{9}{13}x3\frac{5}{7}=?\) c)\(3\frac{19}{35}:5\frac{7}{42}=?\)
1 tính
a)\(\frac{5}{12}-\frac{7}{32}:\frac{21}{16}\)
b)\(\frac{2}{3}+2\frac{1}{2}-\frac{3}{4}\)