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\(5^8:25^2=5^8:5^4\)
=54=625
\(4^9:64^2=4^9:\left(2^2\right)^6\)
=49:46
=43=64
58 : 252 = 58 : (52)2
= 58 : 54
= 54
49 : 642 = 49 : (43)2
= 49 : 46
= 43
A = \(\frac{2^{10}.13+2^{10}.65}{2^8.104}\)
\(A=\frac{2^{10}.\left(13+65\right)}{2^8.104}=\frac{2^{10}.78}{2^8.104}\)
\(A=\frac{2^2.3}{1.4}=3\)
\(\frac{3^2.4^2.2^{32}}{11.2^{13}.4^{11}-16^9}=\frac{3^2.2^4.2^{32}}{11.2^{13}.2^{22}-2^{36}}=\frac{3^2.2^{36}}{11.2^{35}-2^{36}}=\frac{3^2.2^{36}}{2^{35}.\left(11-2\right)}=\frac{9.2}{9}=2\)
\(\frac{2^{19}.27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}}=\frac{2^{19}.3^9+3.5.2^{18}.3^8}{6^9.2^{10}+6^{10}.2^{10}}=\frac{2^{19}.3^9+3^9.5.2^{18}}{6^9.2^{10}.\left(1+6\right)}=\frac{2^{18}.3^9.\left(2+5\right)}{2^9.3^9.2^{10}.7}=\frac{2^{18}.7}{2^{19}.7}=\frac{1}{2}\)
32 . 3 = 9 . 3 = 27
47 : 43 không chia hết ( chắc là 47 : 42 )
( 67 + 2 . 65 : 65 ) = 67 : 65 + 2 . 65 :65= 62 + 2 . 1 = 36 . 2 = 72
(4 . 910 + 5 . 910) : 911 = [910 . (4 + 5)] : 911 = (910 . 9) : 911 = 911 : 911 = 1
\(2^9=512\)
\(6^{10}=60466176\)
29 = 512
610= 60466176