\(a,\frac{18}{17}-\left(\frac{7}{4}-\frac{1}{5}\right):\frac{1}{2}\)
\(b,\frac{8}{5}-\frac{1}{2}:\frac{1}{4}x\left(\frac{3}{7}+\frac{1}{4}\right)\)
1. sắp sếp các phân số sau theo thứ tự tăng dần
a) 3/5 ; 2/7 ; 9/8 ; 11/4 ; 6/6
b) 2/3 ; 5/6 ; 4/5 ; 8/9 ; 11/12
c) 11/10 ; 19/18 ; 14/13 ; 17/16 ; 15/14.
2.
a) 14 - ( 17 : 2 + 3\(\frac{1}{2}\))
b) 12 + 64 : ( 3 - 1\(\frac{2}{3}\))
3.
a) \(\frac{5}{7}\)= \(\frac{x}{147}\)
b) ( 627 - 138 ) : ( x : 2 ) = 163
\(\frac{7}{12}-\frac{2}{7}+\frac{1}{12}\)
\(\frac{12}{17}-\frac{5}{17}-\frac{4}{17}\)
Điền dấu (>, <, =) thích hợp vào ô trống:
\(3\frac{1}{5} - \frac{8}{3} \square \frac{{17}}{5} - 2\frac{{12}}{{15}}\)
1.Tính:
a)889972+96306 b)726,83-349,67
c)\(\frac{7}{8}+\frac{3}{4}\) d)\(2-\frac{5}{6}\)
2.Tính:
a)\(\frac{2}{5}+\frac{3}{4};\frac{7}{12}-\frac{2}{7}+\frac{1}{12};\frac{12}{17}-\frac{5}{17}-\frac{4}{17}.\)
b)\(675,39+342,14;563,87+403,13-328,35.\)
Giúp mình với !!!!!
Bài 1 : Tính
a)\(5+\frac{3}{5}\)
b)\(10-\frac{9}{16}\)
c)\(\frac{2}{3}-\left(\frac{1}{6}+\frac{1}{8}\right)\)
d)\(\frac{15}{16}:\frac{25}{24}\)
e)\(14x\frac{5}{21}\)
g)\(\frac{5}{3}:10\)
h)\(10:\frac{5}{3}\)
Bài 2 :
a)\(\frac{9}{22}x\frac{33}{18}\)
b)\(\frac{12}{35}:\frac{36}{25}\)
c)\(\frac{19}{17}:\frac{76}{51}\)
1. Tính:
\(\frac{7}{8}\)+ \(\frac{3}{4}\)
2 - \(\frac{5}{6}\)
\(\frac{2}{5}\)+ \(\frac{3}{4}\)
\(\frac{7}{12}\)- \(\frac{2}{7}\)+ \(\frac{1}{12}\)
\(\frac{12}{17}\)- \(\frac{5}{17}\)- \(\frac{4}{17}\)
Bạn nào trả lời nhanh mình tick cho nha!!! Mình đang cần gấp!!!
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
\(10:\frac{5}{3}\) \(\frac{5}{3}:10\)
\(\frac{9}{22}x\frac{33}{18}=\)\(\frac{12}{35}:\frac{36}{25}=\)\(\frac{19}{17}:\frac{76}{51}=\)