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a, \(\left(3^2\right)^3=3^{2.3}=3^6\) ; \(\left(3^3\right)^2=3^{3.2}=3^6\) ; \(\left(3^2\right)^5=3^{2.5}=3^{10}\)
\(9^8=\left(3^2\right)^8=3^{2.8}=3^{16}\)
\(27^6=\left(3^3\right)^6=3^{3.6}=3^{18}\)
\(81^{10}=\left(3^4\right)^{10}=3^{4.10}=3^{40}\)
b, \(\left(5^3\right)=5^3\) ; \(\left(5^4\right)^3=5^{4.3}=5^{12}\) ; \(\left(5^2\right)^4=5^{2.4}=5^8\)
\(25^5=\left(5^2\right)^5=5^{2.5}=5^{10}\)
\(125^{14}=\left(5^3\right)^{14}=5^{3.14}=5^{42}\)
1)Đưa về lũy thừa cùng cơ số 2
82= \(\left(2^3\right)^2=2^6\) 323= \(\left(2^5\right)^3=2^{15}\) 644= \(\left(2^6\right)^4=2^{24}\) 43= \(\left(2^2\right)^{^3}=2^6\)
2)Đưa về lũy thừa cùng cơ số 3
93= \(\left(3^2\right)^3=3^6\) 274= \(\left(3^3\right)^4=3^{12}\) 95= \(\left(3^2\right)^5=3^{10}\) 816= \(\left(3^4\right)^6=3^{24}\)
3)Đưa về lũy thừa cùng cơ số 2
83:42= \(\left(2^3\right)^3:\left(2^2\right)^2=2^9:2^4=2^5\) 162:32= \(\left(2^4\right)^2:2^5=2^8:2^5=2^3\)
\(64^4:4^3=\left(2^6\right)^4:\left(2^2\right)^3=2^{24}:2^6=2^{18}\) 323:82= \(\left(2^5\right)^3:\left(2^3\right)^2=2^{15}:2^6=2^9\)
\(125=5^3\)
\(25^2=\left(5^2\right)^2=5^{2.2}=5^4\)
\(\left(5^3\right)^2=5^{3.2}=5^6\)
\(125^5=\left(5^3\right)^5=5^{3.5}=5^{15}\)
\(625^4=\left(5^4\right)^4=5^{4.4}=5^{16}\)
\(125.5^2=5^3.5^2=5^{3+2}=5^5\)
125 = 53
252 = (52)2 = 54
(53)2 = 56
1255 = ( 53)5 = 515
6254 = (54)4 = 516
125 . 52 = 53 . 52 = 55
a) 35.39.320.814 = 35.39.320.316=35+9+20+16=350
b) (516.513).253=529.56=529+6=535
nhớ k nha
a) 35 . 39 . 320 . 814 = 35 . 39 . 320 . 316 = 350
b) ( 516 . 513 ) . 253 = 529 . 56 = 535
c) 24 . 54 = ( 2 . 5 )4 = 104