a)\(\frac{45^{10}.5^{10}}{75^{10}}\)
b)\(\frac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
c)\(\frac{2^{15}.9^4}{6^3.8^3}\)
d)\(\frac{8^{10}+4^{10}}{8^4+4^{11}}\)
Tìm giá trị của biểu thức
A=\(\frac{2^{15}.9^4}{6^6.8^3}\)
B= \(\frac{45^{10}.5^{10}}{75^{10}}\)
C= \(\frac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
D= \(\frac{8^{10}+4^{10}}{8^{11}+4^{11}}\)
Tìm giá trị của các biểu thức sau:
a) A = \(\frac{45^{10}.5^{10}}{75^{10}}\)
b) B = \(\frac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
c) C = \(\frac{2^{15}.9^4}{6^6.8^3}\)
\(1.\)Tính
\(a)\frac{120^3}{40^3};\frac{390^4}{130^4};\frac{3^2}{0,375^2}\)
\(2.\)Tính giá trị các biểu thức sau :
\(a)\frac{45^{10}.5^{20}}{75^{15}}\) ; \(b)\frac{\left(0,8\right)^5}{\left(0,4\right)^6}\) ; \(c)\frac{2^{15}.9^4}{6^6.8^3}\)
tính giá trị biểu thức:
\(A=\left[\frac{\left(0,8\right)^5}{\left(0,4\right)^6}+\frac{2^{15}.9^4}{6^6.8^3}\right]:\frac{45^{10}.5^{20}}{75^{15}}\) \(B=\frac{1}{1-\frac{1}{1-2^{-1}}}+\frac{1}{1+\frac{1}{1+2^{-1}}}\)
Bài 2 :
a) \(\frac{15^{30}}{45^{15}}\)=?
b) \(\frac{45^{10}\cdot5^{10}}{75^{10}}\)= ?
c) \(\frac{\left(0,8^5\right)}{\left(0,4^6\right)}\)=?
d)\(\frac{2^{15}\cdot9^4}{6^6\cdot8^3}\)=?
e) \(\frac{8^{10}+4^{10}}{8^4+4^{11}}\)=?
g)\(\frac{1^7}{7}\). 77=?
h) \(\frac{90^3}{153}\)=?
i) 26 . 56 =?
1: Tính giá trị của biểu thức
a: 45^10.5^10/75^10
b: (0,8)^5/ (0,4)^6
c: 2^15.9^4/ 6^3.8^3
d:8^10+ 4^10/ 8^4+4^11
Tính :
a)\(\frac{45^{10}.5^{20}}{75^{15}}\)
b)\(\frac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
c)\(\frac{2^{15}.9^4}{6^6.8^3}\)
Help me!!!
a)A=\(\frac{16^3.3^{10}+120.6^9}{4^6.3^{12}+6^{11}}\) b)B=\(\frac{45}{19}-\left(\frac{1}{2}\left(\frac{1}{3}+\left(\frac{1}{4}\right)^{-1}\right)^-\right)^{-1}\) c)C=\(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^{10}.6^{19}-7.2^{29}.27^6}\)
d)D=\(\frac{2^{21}.3^5-4^6.81}{\left(2^2.3\right)^6+8^4.3^5}\) e) E=\(\left(6^9.2^{10}+12^{10}\right):\left(2^{19}.27^3+15.4^9.9^4\right)\)
f) F=\(\frac{3^6.45^4-15^{13}.5^{-9}}{27^4.24^3+45^6}\) g)G=\(\frac{\left(\frac{2}{5}\right)^7.5^7+\left(\frac{9}{4}\right)^3:\left(\frac{3}{16}\right)^3}{2^7.5^2+512}\) h)H=\(x+\frac{0,2-0,375+\frac{5}{11}}{-0,3+\frac{9}{16}-\frac{15}{22}}\)với x=-1/3