\(\dfrac{2^{13}.9^4}{6^6.8^3}=\dfrac{2^{13}.3^8}{3^6.2^6.2^9}=\dfrac{2^{13}.3^8}{3^6.2^{15}}=\dfrac{3^2}{2^2}=\dfrac{9}{4}\)
\(\dfrac{2^{13}.9^4}{6^6.8^3}=\dfrac{2^{13}.3^8}{3^6.2^6.2^9}=\dfrac{2^{13}.3^8}{3^6.2^{15}}=\dfrac{3^2}{2^2}=\dfrac{9}{4}\)
\(\dfrac{2^{15}.9^4}{6^6.8^3}\)
\(\dfrac{2^{15}.9^4}{6^6.8^3}\)
Tìm giá trị của biểu thức sau :
a) \(\dfrac{45^{10}.5^{20}}{75^{15}}\) b) \(\dfrac{\left(0,8\right)^5}{\left(0,4\right)^6}\) c) \(\dfrac{2^{15}.9^4}{6^6.8^3}\)
BÀI 2 TÍNH :
A = \(\dfrac{6^3+3.6^2+3^3}{13}\)
B = \(\dfrac{4^6.9^5+6^9.120}{8^4-3^{12}.6^{11}}\)
\(\dfrac{3^6.45^4-15^{13}.5^{-9}}{27^4.25^3+45^6}\)?
Câu 2: Tính
C = \(\dfrac{6^3+3.6^2+3^3}{13}\)
D = \(\dfrac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}\)
a, B=\(\dfrac{2^{10}.13+2^{10}.65}{2^8.104}\) b, C=\(\dfrac{4^9.36+64^9}{16^4.100}\)
c, D=\(\dfrac{72^3.54^2}{108^4}\) d, E=\(\dfrac{4^6.3^4.9^5}{6^{12}}\)
Rút gọn:
a) \(\dfrac{2^{19}\cdot27^3+15\cdot4^9\cdot9^4}{6^9\cdot2^{10}+2^{10}}\)
b) \(\dfrac{\left(-\dfrac{1}{2}\right)^3-\left(\dfrac{3}{4}\right)^3\cdot\left(-2\right)^2}{2\cdot\left(-1\right)+\left(\dfrac{3}{4}\right)^2-\left(\dfrac{3}{8}\right)}\)
Tìm giá trị của các biểu thức sau :
a) \(\dfrac{4^2.4^3}{2^{10}}\)
b) \(\dfrac{\left(0,6\right)^5}{\left(0,2\right)^6}\)
c) \(\dfrac{2^7.9^3}{6^5.8^2}\)
d) \(\dfrac{6^3+3.6^2+3^3}{-13}\)