\(=\dfrac{3^2\cdot2^{36}}{11\cdot2^3\cdot2^{22}-2^{36}}\)
\(=\dfrac{3^2\cdot2^{36}}{2^{25}\left(11-2^{11}\right)}=\dfrac{3^2\cdot2^{11}}{11-2048}=\dfrac{-3\cdot2^{11}}{679}\)
(75.5^4+175.5^4):(20.25.125-625.75)
[(3^2.5^2.4^3):(2^3.3^2)] .2005^0
(3.4.2^16)^2:(11.2^13.4^11-16^9)
194.12+6.437.2+3.369.4
(1^2+2^2+3^2+...+1000^2) (91-273:3)
Thực hiện phép tính sau:
\(\left(1-\dfrac{1}{2^2}\right)\left(1-\dfrac{1}{3^2}\right)\left(1-\dfrac{1}{4^2}\right)...\left(1-\dfrac{1}{10^2}\right)\).
thực hiện phép tính
a\(\dfrac{5}{7}+\dfrac{9}{23}+\dfrac{-12}{7}+\dfrac{14}{23}\)
b\(\left(7-2\dfrac{3}{5}\right).2\dfrac{4}{33}-2\dfrac{3}{5}:\dfrac{1}{2}+\dfrac{7}{5}\)
c\(\dfrac{-7}{9}:\dfrac{8}{15}+\dfrac{-7}{9}.\dfrac{7}{15}+5\dfrac{7}{9}\)
d\(\left(16\dfrac{3}{8}-19\dfrac{3}{4}\right)-\left(12\dfrac{3}{8}-17\dfrac{3}{4}\right)\)
giúp mình nhé
Tính giá trị biểu thức
a, \(\dfrac{5.8-5.6}{10}\) b, \(\dfrac{\left(-4\right)^2}{5}\) B = \(\dfrac{3}{7}+\left(\dfrac{-1}{5}+\dfrac{-3}{7}\right)\) C = \(\left(6-2\dfrac{4}{5}\right).3\dfrac{1}{8}-1\dfrac{3}{5}:\dfrac{1}{4}\)
D = \(\left(\dfrac{-5}{24}+0,75+\dfrac{7}{12}\right):\left(-2\dfrac{1}{8}\right)\) E = \(\dfrac{-5}{7}.\dfrac{2}{11}+\dfrac{-5}{7}.\dfrac{9}{11}+1\dfrac{5}{7}\) F = \(\dfrac{6}{7}+\dfrac{5}{8}:5-\dfrac{3}{16}.\left(-2\right)^2\)
Thực hiện phép tính (hợp lí nếu có thể):
6/7+(5/8-3/16):5.-4
\(a,\dfrac{\dfrac{3}{41}-\dfrac{12}{47}+\dfrac{27}{53}}{\dfrac{4}{41}-\dfrac{16}{47}+\dfrac{36}{53}}+\dfrac{-0,25.\dfrac{-2}{3}-75\%:\left(\dfrac{-1}{2}+\dfrac{2}{3}\right)}{\left|-1\dfrac{1}{2}\right|.\left(\dfrac{-2}{3}-0,75:\dfrac{3}{-2}\right)}\)
Tìm max A = \(\dfrac{x^3+8}{x^3-8}.\dfrac{4x^2+8x+16}{x^2-4}-\dfrac{4x}{x-2}:\left(\dfrac{-16}{x^4-6x^3+12x^2-8x}\right)\)
1. Thực hiện phép tính
a. \(25\%-\dfrac{5}{4}+1\dfrac{5}{6}\)
b. \(75\%:2\dfrac{1}{5}-\left(0,5\right)^2.\left(-7\right)+2.5\left(7\dfrac{2}{3}-5\dfrac{2}{3}\right)\)
c. \(45:2\dfrac{4}{7}+50\%-1,25\)
d. \(350\%:\dfrac{105}{24}+4\dfrac{5}{6}:2-\left(0,5\right)^2.30\%\)
e. \(4\dfrac{2}{5}.0.5-1\dfrac{3}{7}.14\%+\left(-0,8\right)\)
f. \(2\dfrac{3}{4}.\left(-0,4\right)-1\dfrac{3}{5}.2,75+\left(-1,2\right);\dfrac{4}{11}\)
Tìm tập hợp các số nguyên m biết:
\(2017^0\)-11≤3m≤\(\left(\dfrac{2016}{2017}-\dfrac{2017}{2018}\right).\left(\dfrac{1}{2}+\dfrac{1}{3}+\dfrac{1}{6}\right).\left(-3^2+9\right)\)
