Các câu hỏi tương tự
Tính:
\(\frac{5.4^{15}.9^9+4.3^{20}.\left(-8^9\right)}{5.2^9.6^{19}-7.2^{29}.27^6}\)
a,(20.2^4+12.2^4-48.2^3):8^2=A
b,(17.5^4+175.5^4) : (20.25.125-625.75)=B
c,5.4^15.9^9-4.3^20.8^9=C
d,5.2^9.6^19-7.2^29.27^6=D
e,2181.729+243.81.27
f,3^2.9^2.243+18.243.224+723.72=F
1)tính
\(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
2) tìm x biết
a)\(1\frac{1}{30}:24\frac{1}{6}-24\frac{1}{5}-\frac{1\frac{1}{2}-\frac{3}{4}}{4x-\frac{1}{2}}=\left(-1\frac{1}{15}\right):\left(8\frac{1}{5}-8\frac{1}{3}\right)\)
đúng mình tick
A = \(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
B = 3.{ 5 . [ ( 5^2 + 2^3 ) : 11 ] -16} + 2015
C = \(\left(1+\frac{1}{1.3}\right).\left(1+\frac{1}{2.4}\right).\left(1+\frac{1}{3.5}\right).....\left(1+\frac{1}{2014.2016}\right)\)
Thực hiện phép tính:
\(\frac{5.4^{15}.\left(-9\right)^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
a, frac{45^3.20^4.18^2}{180^5} b, frac{11.3^{22}.3^7-9^{15}}{left(2.3^{14}right)^2} c, left(125^3.7^5-175^5:5right):2016^{2017} d, 16.64.8^2:left(4^3.2^5.16right) e,frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^9.27^6} Đề bài: Tính bằng cách hợp lí.
Đọc tiếp
a, \(\frac{45^3.20^4.18^2}{180^5}\)
b, \(\frac{11.3^{22}.3^7-9^{15}}{\left(2.3^{14}\right)^2}\)
c, \(\left(125^3.7^5-175^5:5\right):2016^{2017}\)
d, \(16.64.8^2:\left(4^3.2^5.16\right)\)
e,\(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^9.27^6}\)
Đề bài: Tính bằng cách hợp lí.
31 tháng 12 2022 lúc 11:30
Tính hợp lý:
a) A=\(2021^2\)-2020.(2021+1)
b) B=1+2-3-4+5+6-7-8+9+10-...+2018-2019-2020+2021
c) C=\(\dfrac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
Giúp tớ đi:
Câu 1: Tìm số tự nhiên n để phân số sau tối giản \(\frac{6n+99}{3n+4}\)
Câu 2: Tính:
\(\frac{5.4^{15}.\left(-9\right)^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)
Tính hợp lí
a)\(21.7^2-11.7^2+90.7^2+49.125.16\)
b)\(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)