Các câu hỏi tương tự
\(\left[3,5+10\times\left(0,4\right)^2\right]\div\left[\left(0,5\right)^2-\left(\frac{1}{5}\right)^3+2,758\right]\)
25 tháng 8 2020 lúc 9:38
\(4\times\left(\frac{1}{4}\right)^2+25\times\left[\left(\frac{3}{4}\right)^3\div\left(\frac{5}{4}\right)^3\right]\div\left(\frac{3}{2}\right)^3\)
\(2^3+3\times\left(\frac{1}{2}\right)^0-1+\left[\left(-2\right)^2\div\frac{1}{2}\right]-8\)
Tính:
a) \(3^{-2}.\left(\frac{2}{3}\right)^{-4}.\left(-1\frac{1}{2}\right)^{-3}\)
b) \(0,02^{-3}.10^{-4}.\left(\frac{4}{5}\right)^{-2}.\left(0,4\right)^4\)
c) \(\frac{2^{-2}-\left(\frac{3}{4}\right)^{-4}.\left(-\frac{1}{2}\right)^2}{10^{-1}+\left(-\frac{1}{8}\right)^0}\)
tìm x biết:
a)\(-4\left(2x+\frac{1}{2}\right)-2.\left(3,2x-5\right)=2,1\left(2-4x\right)\)
b)\(\frac{\left(x-2\right)\left(3-x\right)}{5+x}\le0\)
c) \(\left(-3,5x+0,75\right)+\left(\frac{1}{2}x-4\right)=-3x+7\)
Tính:
\(\frac{0,8\div\left(\frac{4}{5}\times1,25\right)}{0,64-\frac{1}{25}}+\frac{\left(1,08-\frac{2}{5}\right)\div\frac{4}{7}}{\left(6\frac{5}{9}-3\frac{1}{4}\right)\times2\frac{2}{17}}+\left(1,2\times0,5\right)\div\frac{4}{5}\)
giúp mình với nhé mn, nhanh nha mình cần gấp
\frac{\left(\frac{2}{5}\right)^7\times 5^{7\:}+\left(\frac{9}{4}\right)^3\div \left(\frac{3}{16}\right)^3}{2^7\times 5^2+512}
\(\left(\frac{-5}{2}\right)^{^2}\div\left(-15\right)-\left(-0.45+\frac{3}{4}\right)\cdot\left(-1\frac{5}{9}\right)\)
GIÚP MIK NHAAA
B = \(\frac{\left(-12\right)^5\times27^4-32^2\times81^4}{729^4\div\left(-9\right)^4\times16^5\div\left(-8\right)^3}\)
a)\(\left(\frac{1}{13}\right)^{13}:\left(\frac{1}{3}\right)^{x-2}=\frac{1}{81}\)
b)\(\left(0,4\right)^{x-1}:\left(\frac{2}{5}\right)^2=\frac{8}{125}\)