a, (0,125.8)3 =13 =1
b. (-39 :13)4 = (-3)4 =81
\(a,\left(0,125\right)^3.8^3\)
\(=\left(0,125.8\right)^3\)
\(=1^3\)
\(=1\)
\(b,\left(-39\right)^4:13^4\)
\(=\left(-39:13\right)^4\)
\(=-3^4\)
\(=81\)
tìm x
\(a.3.8:\left(2x\right)=\frac{1}{4}:2\frac{2}{3}\)
\(b.\left(0,25x\right):3=\frac{5}{6}:0,125\)
\(c.0,01:2,5=\left(0,75x\right):0,75\)
\(d.1\frac{1}{3}:0,8=\frac{2}{3}:\left(0,1x\right)\)
LÀM GIÚP MIK NHA MẤY BẠN
Tính giá trị của biểu thức:
\(a)\frac{\left(0,125\right)^5.\left(2,4\right)^5}{\left(-0,3\right)^5.\left(0.01\right)^3}\)
\(b)\left(-2\frac{3}{4}+\frac{1}{2}\right)^2\)
Tính
a) \(\dfrac{13}{50}.\left(-15.5\right):\dfrac{13}{50}.84\dfrac{1}{2}\)
b) \(\dfrac{\left(-0,7\right)^2.\left(-5\right)^3}{\left(-2\dfrac{1}{3}\right)^3.\left(1\dfrac{1}{2}\right)^4.\left(-1\right)^5}\)
Tính giá trị của các biểu thức sau:
a)\(\frac{6^2.6^3}{3^5}\) b)\(\frac{25^2.4^2}{5^5.\left(-2\right)^5}\) c)\(\frac{\left(0,125\right)^5.\left(2,4\right)^5}{\left(-0,3\right)^5.\left(0,01\right)^3}\) d)\(\left(-2\frac{3}{4}+\frac{1}{2}\right)^2\)
\(A=\dfrac{\left(-27\right)^{15}.5^3.8^4}{25^2.81^{11}.\left(-2\right)^{11}}\)
Ai giúp mik với!!! ai lm xong trc mik tick cho!!!
bai 1: thuc hien phep tinh
a:\(25\times(\frac{5}{2})^{-2}\times(-2^{-3})^{-1}\)
b; \([(\frac{4}{3})^{-3}\times(\frac{3}{4})^{-2}]\div(-\frac{2}{3})^{-3}\)
c;\(\left(2^3+3^2\right)\times\left(2^3-3^2\right)\)
d; Bai 2; tim x
a; \(2x=\left(3,8\right)^3\div\left(-3.8\right)^2\)
b;\(\left(x-2\right)^8=\left(x-2\right)^6\)
AI TRA LOI DC THI MIK SE CHO 1 TICK ! OK
HELP ME!
tinh
a)\(\left(\frac{4}{9}+\frac{1}{3}\right)^2\)
b)\(\left(\frac{1}{2}-\frac{3}{5}\right)^3\)
c)\(\left(\frac{-10}{3}\right)^5.\left(\frac{-6}{5}\right)^4\)
d)\(\left(\frac{3}{4}\right)^3:\left(\frac{3}{4}\right)^2:\left(\frac{-2}{3}\right)^3\)
Bài 1:
a,\(3^7\) : \(3^5\)- \(\left(\dfrac{5}{17}\right)^0\) b,\(\left(\dfrac{5}{2}\right)^{13}\) : \(\left(\dfrac{1}{2}+2\right)^3\) c, 8.\(\left(\dfrac{1}{4}\right)^3\) +\(\left(\dfrac{2}{27}\right)^0\) - \(\dfrac{1}{8}\)
Bài 2 :
a, \(\dfrac{3^4.4^4}{6^4}\) b,\(\dfrac{15^3}{10^3}\) c, \(\dfrac{4^2.12^5}{9^2.2^{10}}\) d, \(\dfrac{6^2+5.2^2+4}{15}\)
Bài 3 :
a, \(\dfrac{\left(\dfrac{2}{3}\right)^3.\left(\dfrac{-3}{4}\right)^2.\left(-1\right)^5}{\left(\dfrac{2}{5}\right)^2.\left(\dfrac{-5}{12}\right)^2}\) b,\(\dfrac{6^6+6^3.3^3+3^6}{-73}\)
Mọi người giúp mình nhé mình sẽ cho bạn 1 like
Bai 5 :
a, \(\left(-\frac{5}{6}\right)^6.\left(\frac{6}{5}\right)^8\)
b, \(\left(-\frac{13}{8}\right)^3.\left(-\frac{32}{13}\right)^4\)
c, \(\left(-0,1\right)^7.\left(-10\right)^{13}\)
