Các câu hỏi tương tự
\(1\frac{5}{18}-\frac{5}{18}.\left(\frac{1}{15}+1\frac{1}{12}\right)\)
Tính giá trị của biểu thức
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 =\(\frac{-1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+0,625:2\frac{1}{3}\)
\(1\frac{5}{18}-\frac{5}{18}:\left(\frac{1}{15}+1\frac{1}{12}\right)\)
giải chi tiết giùm mình nha
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) \(-1\frac{1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+0,625:1\frac{2}{3}\)
\(1\frac{5}{18}\)\(-\frac{5}{18}\)\(.\left(\frac{1}{15}+1\frac{1}{12}\right)\)
Tìm x:
\(\frac{\left(13\frac{2}{9}-15\frac{2}{3}\right)\cdot\left(30^2-5^4\right)}{\left(18\frac{3}{7}-17\frac{1}{4}\right)\cdot\left(25-12\cdot5^2\right)}\cdot x=\frac{\frac{2}{11}+\frac{3}{13}+\frac{4}{15}+\frac{5}{17}}{4\frac{1}{11}+\frac{5}{13}+\frac{9}{15}+\frac{13}{17}}\)
Tính :
a) \(\frac{2}{3}+\frac{1}{5}-\frac{10}{7}\) b)\(\frac{7}{12}-\frac{27}{18}.\frac{1}{18}\)
c) \(\left(\frac{23}{41}-\frac{15}{82}\right).\frac{41}{25}\)
d) \(\left(\frac{4}{5}+\frac{1}{2}\right).\left(\frac{3}{13}-\frac{8}{13}\right)\)
12)0,2.frac{15}{36}-left(frac{2}{5}+frac{2}{3}right):1frac{1}{5}13)1frac{13}{15}.0,75-left(frac{8}{15}+0,25right).frac{24}{27}16)frac{1}{2}+frac{3}{4}-left(frac{3}{4}-frac{4}{5}right).left(-2,75right)18)left(frac{7}{8}-frac{3}{4}right).1frac{1}{3}-frac{2}{7}.left(3.5right)^222)1frac{13}{15}.0,75-left(frac{11}{20}+25%right):frac{7}{3}23)frac{left(frac{2}{3}-0,75right).left(0,2-frac{2}{5}right)}{frac{5}{9}-1frac{1}{12}}33)left(25%+frac{1}{3}+0,75right):left(4frac{3}{4}-3frac{1}{2}right)35)left(fra...
Đọc tiếp
12)\(0,2.\frac{15}{36}-\left(\frac{2}{5}+\frac{2}{3}\right):1\frac{1}{5}\)
13)\(1\frac{13}{15}.0,75-\left(\frac{8}{15}+0,25\right).\frac{24}{27}\)
16)\(\frac{1}{2}+\frac{3}{4}-\left(\frac{3}{4}-\frac{4}{5}\right).\left(-2,75\right)\)
18)\(\left(\frac{7}{8}-\frac{3}{4}\right).1\frac{1}{3}-\frac{2}{7}.\left(3.5\right)^2\)
22)\(1\frac{13}{15}.0,75-\left(\frac{11}{20}+25\%\right):\frac{7}{3}\)
23)\(\frac{\left(\frac{2}{3}-0,75\right).\left(0,2-\frac{2}{5}\right)}{\frac{5}{9}-1\frac{1}{12}}\)
33)\(\left(25\%+\frac{1}{3}+0,75\right):\left(4\frac{3}{4}-3\frac{1}{2}\right)\)
35)\(\left(\frac{377}{-231}-\frac{123}{89}+\frac{34}{791}\right).\left(\frac{1}{6}-\frac{1}{8}-\frac{1}{24}\right)\)
BÀI 1:a/ frac{2}{7}+frac{-3}{8}+frac{11}{7}+frac{1}{3}+frac{1}{7}+frac{5}{-8}b/ frac{-3}{8}+frac{12}{25}+frac{5}{-8}+frac{2}{-5}+frac{13}{25}c/ frac{7}{8}+frac{1}{8}.frac{3}{8}+frac{1}{8}.frac{5}{8}d/ frac{-5}{6}.frac{4}{19}+frac{-7}{12}.frac{4}{19}-frac{40}{57}e/ frac{3}{7}.frac{9}{26}-frac{1}{14}.frac{1}{13}-frac{1}{7}f/ left(frac{2}{3}-frac{1}{ }_{_4+frac{5}{11}}right):left(frac{5}{12}+1-frac{7}{11}right)g/ frac{4}{9}:left(-frac{1}{7}right)+6frac{5}{9}:left(-frac{1}{7}right)h/ 1frac{5}{18}-fr...
Đọc tiếp
BÀI 1:
a/ \(\frac{2}{7}+\frac{-3}{8}+\frac{11}{7}+\frac{1}{3}+\frac{1}{7}+\frac{5}{-8}\)
b/ \(\frac{-3}{8}+\frac{12}{25}+\frac{5}{-8}+\frac{2}{-5}+\frac{13}{25}\)
c/ \(\frac{7}{8}+\frac{1}{8}.\frac{3}{8}+\frac{1}{8}.\frac{5}{8}\)
d/ \(\frac{-5}{6}.\frac{4}{19}+\frac{-7}{12}.\frac{4}{19}-\frac{40}{57}\)
e/ \(\frac{3}{7}.\frac{9}{26}-\frac{1}{14}.\frac{1}{13}-\frac{1}{7}\)
f/ \(\left(\frac{2}{3}-\frac{1}{ }_{_4+\frac{5}{11}}\right):\left(\frac{5}{12}+1-\frac{7}{11}\right)\)
g/ \(\frac{4}{9}:\left(-\frac{1}{7}\right)+6\frac{5}{9}:\left(-\frac{1}{7}\right)\)
h/ \(1\frac{5}{18}-\frac{5}{18}:\left(\frac{1}{15}+1\frac{1}{12}\right)\)
i/ \(\frac{-1}{7}.\left(9\frac{1}{2}-8,75\right):\frac{2}{7}+62,5\%:1\frac{2}{3}\)