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\(\frac{5.2^{13}.4^{11}-16^9}{\left(3.2^{17}\right)^2}=\frac{5.2^{13}.\left(2^2\right)^{11}-\left(2^4\right)^9}{3^2.\left(2^{17}\right)^2}=\frac{5.2^{13}.2^{22}-2^{36}}{3^2.2^{34}}\)
\(=\frac{5.2^{35}-2^{35}.2}{3^2.2^{34}}=\frac{2^{35}\left(5-2\right)}{3^2.2^{34}}=\frac{2^{35}.3}{3^2.2^{34}}=\frac{2^{34}.2.3}{3^2.2^{34}}=\frac{2}{3}\)
\(\frac{5.4^{15}.9^9.4.3^{20}.8^9}{5.2^9.6^{16}-7.2^{29}.27^6}\)=\(\frac{5.2^{59}.3^{38}}{13^9.2^{34}.3^{16}-7.2^{29}.3^{18}}\)=\(\frac{5.2^{59}.3^{38}}{13^92^5.2^{29}.3^{16}-7.3^2.2^{29}.3^{16}}\)=\(\frac{5.2^{29}.3^{38}}{2^{29}.3^{16}.\left(13^9.2^5-7.3^2\right)}\)
=\(\frac{5.2^{29}.3^{22}.3^{16}}{2^{29}.3^{16}.\left(13^9.2^5-7.3^2\right)}\)= \(\frac{5.3^{22}}{13^9.2^5-7.3^2}\)
nếu làm tiếp đc thì tk Đ cho mk, còn không thì tk cả 2 na !
c) \(3^{11}:3^9-147:7^2\)
= \(3^{\left(11-9\right)}-147:49\)
= \(3^2-3\)
= \(9-3\)
= \(6\)
a, A = \(\dfrac{3^{10}\times10+3^{10}\times6}{3^9\times2^4}\)
A = \(\dfrac{3^{10}\times\left(10+6\right)}{3^9\times2^4}\)
A = \(\dfrac{3^{10}\times16}{3^9\times16}\)
A = 3
c, C = \(\dfrac{36^{10}\times25^{15}}{30^8}\)
C = \(\dfrac{\left(6^2\right)^{10}.\left(5^2\right)^{15}}{30^8}\)
C = \(\dfrac{6^{20}.5^{30}}{6^8.5^8}\)
C = 612.522
\(B=\frac{5.2^{14}.2^{22}-2^{36}}{2^{36}}\)\(B=\frac{2^{36}.\left(5-1\right)}{2^{36}}\)
\(B=4\)
Huyền Thanh Vy
\(\frac{5.2^{14}.4^{11}-16^9}{2^{36}}\)
\(=\frac{5.2^{14}.2^{22}-2^{36}}{2^{36}}\)
\(=\frac{5.2^{36}-2^{36}}{2^{36}}\)
\(=\frac{2^{36}.\left(5-1\right)}{2^{36}}\)
\(=4\)
ai thấy đúng thi k
= 5.2^14.(2^2)^11-(2^4)^9/2^36
= 5.2^14.2^22-2^36/2^36
= 5.2^36-2^36/2^36
= 2^36.(5-1)/2^36 = 2^36.4/2^36 = 4
k mk nha