\(\frac{\frac{1}{9}-\frac{5}{6}-4}{\frac{7}{12}-\frac{1}{36}-10}\)
thực hiện phép tính
Thực hiện phép tính
a) \(\left(\frac{-1}{6}+\frac{5}{-12}\right)+\frac{7}{12}\)
b) \(\frac{7}{36}-\frac{8}{-9}+\frac{-2}{3}\)
c)\(\frac{3}{5}-\frac{2}{5}\cdot\frac{10}{12}\)
d)\(\frac{2}{(-3)^2}+\frac{5}{-12}-\frac{-3}{4}\)
Thực hiện các phép tính sau
a) \(\left(2\frac{5}{6}+1\frac{4}{9}\right):\left(10\frac{1}{12}-9\frac{1}{2}\right)\)
b) \(1\frac{5}{18}-\frac{5}{18}.\left(\frac{1}{15}+1\frac{1}{12}\right)\)
c) \(-1\frac{1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+0,625:1\frac{2}{3}\)
1. thực hiện phép tính:
a,\(\left(\frac{-1}{6}+\frac{5}{12}\right)+\frac{7}{12}\)
b,7/36-8/-9+-2/3
c,3/5-2/5.10/12
d,2/(-3)^2+5/-12- -3/4
Thực hiện phép tính
a, \(\frac{2}{3}+\frac{1}{3}.\left(\frac{-4}{9}+\frac{5}{6}\right):\frac{7}{12}\)
b, \(\frac{5}{9}.\frac{8}{11}+\frac{5}{9}.\frac{9}{11}-\frac{5}{9}.\frac{6}{11}\)
thực hiện phép tính rồi rút gọn
A=\(\left(\frac{4}{9}+\frac{5}{6}\right):\left(\frac{7}{8}-\frac{7}{12}\right)\)
B=\(\frac{3}{4}.\frac{8}{9}.\frac{15}{16}...\frac{9999}{10000}\)
C=\(\left[3-\frac{1}{5}+\frac{3}{10}\right]:\left(2+\frac{1}{4}-\frac{3}{5}\right)\)
thực hiện phép tính
a.\(1\frac{5}{7}-\frac{9}{7}.\frac{16}{9}\)
b.\(\frac{-5}{8}:\frac{1}{4}-\frac{6}{13}.4+\frac{3}{8}\)
c.\(\left(\frac{3}{8}+\frac{-1}{4}-\frac{5}{12}\right):\frac{1}{3}\)
1. thực hiện phép tính
a, 36+3.(4-12) b. \(2-\frac{3}{4}\)
c.\(\frac{18}{24}:\frac{5}{2}+\frac{7}{-10}\) d.\((\frac{12}{199}-\frac{23}{200}+\frac{34}{201})-(\frac{1}{2}-\frac{1}{3}-\frac{1}{6})\)
B1: Thực hiện phép tính :
a, \(11\frac{3}{4}-(6\frac{5}{6}-4\frac{1}{2})+1\frac{2}{3}\)
b, \(2\frac{17}{20}-1\frac{11}{5}+6\frac{9}{20}:3\)
c, \(4\frac{3}{7}:\left(\frac{7}{5}.4\frac{3}{7}\right)\)
d, \(\left(3\frac{2}{9}.\frac{15}{23}.1\frac{7}{29}\right):\frac{5}{23}\)
B2: Thực hiện phép tính:
\(a,11\frac{3}{4}-(6\frac{5}{6}4\frac{1}{2}+1\frac{2}{3})\\ b,\left(5\frac{7}{8}-2\frac{1}{4}-0,5\right):\frac{23}{26}\)
\(c,\left(17\frac{13}{15}-3\frac{3}{7}\right)-\left(2\frac{12}{15}-4\right)\\ d,2\frac{2}{3}.\frac{-4}{5}.0,375-\left(-10\right).\frac{-15}{24}\)