Các câu hỏi tương tự
tính \(\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-0,2}{\frac{3}{4}+0,5-\frac{3}{10}}\)
Tính nhanh :
a) \(\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-0,2}{\frac{3}{4}+0,5-\frac{3}{10}}\)
Tính:
1,\(\frac{2}{5}+\left(-\frac{4}{5}\right)+\left(-\frac{1}{2}\right)\)
2,\(A=\frac{0,375-0,3+\frac{3}{11}+\frac{3}{12}}{-0,625+0,5-\frac{5}{11}-\frac{5}{12}}+\frac{1,5+1-0,75}{2,5+\frac{5}{3}-1,25}\)
3,\(B=\frac{\frac{1}{3}-\frac{1}{7}-\frac{1}{13}}{\frac{2}{3}-\frac{2}{7}-\frac{2}{13}}.\frac{\frac{1}{3}-0,25+0,2}{1\frac{1}{6}-0,875+0,7}+\frac{6}{7}\)
\(A=\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-42}{\frac{3}{4}+0,5-\frac{3}{10}}\)=?
a, \(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
b,\(\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-0,2}{\frac{3}{4}+0,5-\frac{3}{10}}\)
c,\(\frac{2}{1.4}+\frac{2}{4.7}+\frac{2}{7.10}+....+\frac{2}{97.100}\)
Tính:
a) \(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
b) \(\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-0,2}{\frac{3}{4}+0,5-\frac{3}{10}}\)
Ghi rõ cách lm
Tính giấ trị biểu thức :A [ ( 6frac{3}{5} - 3 frac{3}{14} ) . ( 5frac{5}{6} ) : [ ( 21 - 1,25 ) : 2, 5 B frac{0,125-frac{1}{5}+frac{1}{7}}{0,375-frac{3}{5}+frac{3}{7}}+frac{frac{1}{2}+frac{1}{3}-0,2}{frac{3}{4}+0,5-frac{3}{10}} C frac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}
Đọc tiếp
Tính giấ trị biểu thức :
A= [ ( 6\(\frac{3}{5}\) - 3 \(\frac{3}{14}\) ) . ( 5\(\frac{5}{6}\) ) : [ ( 21 - 1,25 ) : 2, 5
B= \(\frac{0,125-\frac{1}{5}+\frac{1}{7}}{0,375-\frac{3}{5}+\frac{3}{7}}+\frac{\frac{1}{2}+\frac{1}{3}-0,2}{\frac{3}{4}+0,5-\frac{3}{10}}\)
C = \(\frac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}\)
B1: Thực hiện phép tính :a, 11frac{3}{4}-(6frac{5}{6}-4frac{1}{2})+1frac{2}{3}b, 2frac{17}{20}-1frac{11}{5}+6frac{9}{20}:3c, 4frac{3}{7}:left(frac{7}{5}.4frac{3}{7}right)d, left(3frac{2}{9}.frac{15}{23}.1frac{7}{29}right):frac{5}{23}B2: Thực hiện phép tính:a,11frac{3}{4}-(6frac{5}{6}4frac{1}{2}+1frac{2}{3})
b,left(5frac{7}{8}-2frac{1}{4}-0,5right):frac{23}{26}c,left(17frac{13}{15}-3frac{3}{7}right)-left(2frac{12}{15}-4right)
d,2frac{2}{3}.frac{-4}{5}.0,375-left(-10right).frac{-15}{24}
Đọc tiếp
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:
\(a,11\frac{3}{4}-(6\frac{5}{6}4\frac{1}{2}+1\frac{2}{3})\\ b,\left(5\frac{7}{8}-2\frac{1}{4}-0,5\right):\frac{23}{26}\)
\(c,\left(17\frac{13}{15}-3\frac{3}{7}\right)-\left(2\frac{12}{15}-4\right)\\ d,2\frac{2}{3}.\frac{-4}{5}.0,375-\left(-10\right).\frac{-15}{24}\)
Thực hiện phép tính:a) 2+frac{5}{4}-frac{1}{3} b) left(2frac{1}{3}-0,5right).frac{2}{3}-left(-frac{1}{2}right)^2 c) frac{7}{36}-frac{8}{-9}+frac{2}{3} d) frac{3}{4}.left(frac{6}{-5}right)-frac{1}{8} e) 1frac{1}{4}:left(1+frac{2}{3}right) g) 2+frac{4}{5}-frac{7}{12} i) frac{7}{12}+frac{5}{12}:6-frac{11}{36} f) frac{2}{3}-0,25:frac{3}{4}+frac{5}{8}.left(-2right)^2 h) frac{4}{7}+frac{5}{6}:5-0,375.left(-2right)^2
Đọc tiếp
Thực hiện phép tính:
a) \(2+\frac{5}{4}-\frac{1}{3}\) b) \(\left(2\frac{1}{3}-0,5\right).\frac{2}{3}-\left(-\frac{1}{2}\right)^2\) c) \(\frac{7}{36}-\frac{8}{-9}+\frac{2}{3}\) d) \(\frac{3}{4}.\left(\frac{6}{-5}\right)-\frac{1}{8}\) e) \(1\frac{1}{4}:\left(1+\frac{2}{3}\right)\) g) \(2+\frac{4}{5}-\frac{7}{12}\) i) \(\frac{7}{12}+\frac{5}{12}:6-\frac{11}{36}\) f) \(\frac{2}{3}-0,25:\frac{3}{4}+\frac{5}{8}.\left(-2\right)^2\) h) \(\frac{4}{7}+\frac{5}{6}:5-0,375.\left(-2\right)^2\)