\(\left(\frac{3}{7}\right)^{21}:\left[\left(\frac{3}{7}\right)^2\right]^6=\left(\frac{3}{7}\right)^{21}:\left(\frac{3}{7}\right)^{12}=\left(\frac{3}{7}\right)^{21-12}=\left(\frac{3}{7}\right)^9\)
Tính
a) \(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
b) \(\left(-\frac{1}{3}\right)^{-1}-\left(-\frac{6}{7}\right)^0+\left(\frac{1}{2}\right):2\)
Tính
\(b.\left(\frac{3}{7}\right)^{21}\div\left(\frac{9}{49}\right)^6\)
\(c.3-\left(-\frac{6}{7}\right)^0+\left(\frac{1}{2}\right)^2\div2\)
Tính:
a,253:52
b,\(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
c\(3-\left(\frac{-6}{7}\right)^0+\left(\frac{1}{2}\right)^2:2\)
Tính:
a) \(25^{3\div}5^2\)
b) \(\left(\frac{3}{7}\right)^{21}\div\left(\frac{9}{49}\right)^6\)
c) \(3-\left(-\frac{6}{7}\right)^0+\left(\frac{1}{2}\right)^2\div2\)
\(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)ai nhanh mình tick cho
a) \(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
b) \(3-\left(-\frac{6}{9}\right)^0+\left(\frac{1}{2}\right)^2:2\)
Tính
a) \(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
b) \(\left(0,125\right)^3.512\)
c) \(\left(0,25\right)^4.1024\)
Tính :
a) \(25^3:5^2\)
b) \(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
c) \(3-\left(\frac{-6}{7}\right)^0+\left(\frac{1}{2}\right)^2:2\)
\(\left(\frac{3}{7}\right)^{21}:\left(\frac{9}{49}\right)^6\)
giai cu the nha
