\(\dfrac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
\(=\dfrac{\left(2^2\right)^5.\left(3^2\right)^4-2.\left(2.3\right)^9}{2^{10}.3^8+\left(2.3\right)^8.2^2.5}\)
\(=\dfrac{2^{10}.3^8-2.2^9.3^9}{2^{10}.3^8+2^8.3^8.2^2.5}\)
\(A=\dfrac{2^{10}.3^8-2^{10}.3^9}{2^{10}.3^8+2^8.3^{10}.5}\)
Tách ra tiếp mk đang buồn ngủ
Rút gọn biểu thức:
A = \(\dfrac{4^5.9^4 - 2.6^9}{2^{10}3^8 + 6^8.20}\)
Rút gọn :
A = \(\frac{2.8^4.27^8+4.6^9}{2^7.6^7+2^7.40.9^4}\)
B = \(\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
Rút gọn biểu thức:
A=45.94-2.69/210.38+68.20
Tính
a, A = \(\dfrac{16^3.3^{10}+120.6^9}{4^6.3^{12}+6^{11}}\)
b, B = \(\left(\dfrac{3}{7}.\dfrac{4}{15}+\dfrac{1}{3}.9^{15}\right).\dfrac{1}{3}.\dfrac{6^8}{12^4}\)
c, C = \(\dfrac{10^4.81-16.15^2}{4^4.675}\)
Tính:
a) 43 . 53 e) 52 . 62. 32
b)63 . 53 f) \(\dfrac{45^{10^{ }}.5^{10}}{75^{10}}\)
c)82 . 52 i)\(\dfrac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
d) 1253 . 83 h) \(\dfrac{2^{15}.9^4}{6^6.8^3}\)
g)\(\dfrac{8^{10}+4^{10}}{8^4+4^{11}}\)
Tính
A=\(\dfrac{4.5^{10}.5^{10}}{75^{10}}\) B=\(\dfrac{\left(0,8\right)^5}{\left(0,4\right)^6}\)
C=\(\dfrac{2^{15}.9^4}{6^6.8^3}\) D=\(\dfrac{8^{10}+4^{10}}{8^4+4^{11}}\)
Làm hộ mk nha làm đk câu nào thì làm nha . Mk đang cần gấp AI xg thì tớ tick cko !!!
Tìm x
1) \(\left(\dfrac{1}{16}\right)^x=\left(\dfrac{1}{8}\right)^6\) 2) \(\left(\dfrac{1}{16}\right)^x=\left(\dfrac{1}{8}\right)^{36}\) 3) \(\left(\dfrac{1}{81}\right)^x=\left(\dfrac{1}{27}\right)^4\)
4) \(\left(\dfrac{4}{9}\right)^x=\left(\dfrac{8}{27}\right)^{10}\) 5) \(2^x=4^5.4^3\) help me !!!!
Tính nhanh : \(\frac{4^5.9^3-12^5}{2^{10}.8^1-2^9.9^2}\)
8) \(\dfrac{17}{-26}.\left(\dfrac{1}{6}-\dfrac{5}{3}\right):\dfrac{17}{13}-\dfrac{20}{3}.\left(\dfrac{2}{5}-\dfrac{1}{4}\right)+\dfrac{2}{3}.\left(\dfrac{6}{5}-\dfrac{9}{2}\right)\)
