B/thức Q=5^32-24(5^2+1)(5^4+1)(5^8+1)(5^16+) có giá trị
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HY
2
9 tháng 10 2016
\(Q=5^{32}-24\left(5^2+1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^2-1\right)\left(5^2+1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^4-1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^8-1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^{16}-1\right)\left(5^{16}+1\right)=5^{32}-\left(5^{32}-1\right)=1\)
PA
9 tháng 10 2016
\(Q=5^{32}-24\left(5^2+1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^2-1\right)\left(5^2+1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^4-1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^8-1\right)\left(5^8+1\right)\left(5^{16}+1\right)\)
\(=5^{32}-\left(5^{16}-1\right)\left(5^{16}+1\right)\)
\(=5^{32}-5^{32}+1\)
= 1
NP
0
SK
1
S
15 tháng 7 2019
\(626Q=\left(5^4+1\right)Q=5^{36}+5^{32}-\left(5^2-1\right)\left(5^2+1\right)626\left(5^8+1\right)\left(5^{16}+1\right)=5^{36}+5^{32}-\left(5^4-1\right)\left(5^4+1\right)\left(5^8+1\right)\left(5^{16}+1\right)=5^{36}+5^{32}-\left(5^8-1\right)\left(5^8+1\right)\left(5^{16}+1\right)=5^{36}+5^{32}-\left(5^{16}-1\right)\left(5^{16}+1\right)=5^{36}+5^{32}-5^{32}+1=5^{36}+1=\left(5^{12}+1\right)\left(5^{24}-5^{12}+1\right)=\left(5^4+1\right)\left(5^8-5^4+1\right)\left(5^{24}-5^{12}+1\right)\Rightarrow Q=\left(5^8-5^4+1\right)\left(5^{24}-5^{12}+1\right)\)
MF
1
22 tháng 7 2023
2,
a) \(315-\left(135-x\right)=215\)
\(\Rightarrow135-x=315-215\)
\(\Rightarrow135-x=100\)
\(\Rightarrow x=135-100\)
\(\Rightarrow x=35\)
b) \(x-320:32=25\cdot16\)
\(\Rightarrow x-10=5^2\cdot4^2\)
\(\Rightarrow x-10=20^2\)
\(\Rightarrow x-10=400\)
\(\Rightarrow x=410\)
c) \(3\cdot x-2018:2=23\)
\(=3\cdot x-1009=23\)
\(\Rightarrow3\cdot x=1032\)
\(\Rightarrow x=1032:3\)
\(\Rightarrow x=344\)
d) \(280-9\cdot x-x=80\)
\(\Rightarrow280-x\cdot\left(9+1\right)=80\)
\(\Rightarrow280-10\cdot x=80\)
\(\Rightarrow10\cdot x=280-80\)
\(\Rightarrow10\cdot x=200\)
\(\Rightarrow x=20\)
e) \(38\cdot x-12\cdot x-x\cdot16=40\)
\(\Rightarrow x\cdot\left(38-12-16\right)=40\)
\(\Rightarrow x\cdot10=40\)
\(\Rightarrow x=40:10\)
\(\Rightarrow x=4\)
Q = 532 - 24(52 + 1)(54 + 1)(58 + 1)(516 + 1)
Q = 532 - (52 - 1)(52 + 1)(54 + 1)(58 + 1)(516 + 1)
Q = 532 - (54 - 1)(54 + 1)(58 + 1)(516 + 1)
Q = 532 - (58 - 1)(58 + 1)(516 + 1)
Q = 532 - (516 - 1)(516 + 1)
Q = 532 - (532 - 1)
Q = 532 - 532 + 1
Q = 1
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