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17 tháng 9 2016

\(M=2^{2010}-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\)

\(2^{2010}-M=1+2+2^2+...+2^{2008}+2^{2009}\) 

\(2\left(2^{2010}-M\right)=2+2^2+2^3+...+2^{2009}+2^{2010}\)

\(2\left(2^{2010}-M\right)-\left(2^{2010}-M\right)=\left(2+2^2+2^3+...+2^{2009}+2^{2010}\right)-\left(1+2+2^2+...+2^{2008}+2^{2009}\right)\)

\(2^{2010}-M=2^{2010}-1\)

\(M=2^{2010}-2^{2010}+1\)

\(M=1\)

17 tháng 9 2016

Đặt \(M=2^{2010}-A\)

Ta có:

\(A=2^{2009}+2^{2008}+...+2^1+2^0\)

\(\Rightarrow2A=2^{2010}+2^{2009}+...+2^2+2^1\)

\(\Rightarrow2A-A=\left(2^{2010}+2^{2009}+...+2^2+2^1\right)-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\)

\(\Rightarrow A=2^{2010}-1\)

\(\Rightarrow M=2^{2010}-\left(2^{2010}-1\right)\)

\(\Rightarrow M=\left(2^{2010}-2^{2010}\right)+1\)

\(\Rightarrow M=1\)

12 tháng 9 2015

Đặt N = 22009 + 22008 + 22007 +......+ 21 + 20

2N = 22010 + 22009 + 22008 +.....+ 22 + 21

2N - N = 22010 - 20

=> N = 22010 - 1

=> M = 22010 - (22010 - 1)

=> M = 22010 - 22010 + 1

=> M = 1 

5 tháng 7 2015

Đặt N=22009+22008+...+1

=>2N=22010+22009+...+2

=>2N-N=(22010+22009+...+2)-(22009+22008+...+1)

=>N=22010-1

Mà M=22010-N=22010-(22010-1)=1

Ác Mộng trả lời đúng rùi. **** thui

Đặt \(N=2^0+2^1+...+2^{2008}+2^{2009}\)

Suy ra: \(M=2^{2010}-N\)

Ta có: \(N=2^0+2^1+...+2^{2008}+2^{2009}\)

\(\Leftrightarrow2N=2+2^2+...+2^{2009}+2^{2010}\)

\(\Leftrightarrow N=2^{2010}-1\)

\(M=2^{2010}-N=2^{2010}-2^{2010}+1=1\)

31 tháng 5 2017

Đặt \(A=2^{2009}+2^{2008}+...+2+2^0\)

\(=1+2+...+2^{2008}+2^{2009}\)

\(\Rightarrow2A=2+2^2+...+2^{2010}\)

\(\Rightarrow2A-A=\left(2+2^2+...+2^{2010}\right)-\left(1+2+...+2^{2009}\right)\)

\(\Rightarrow A=2^{2010}-1\)

\(\Rightarrow M=2^{2010}-\left(2^{2010}-1\right)\)

\(=2^{2010}-2^{2010}+1=1\)

Vậy M = 1

5 tháng 7 2017

\(M=2^{2010}-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\)

Gọi \(N=2^{2009}+2^{2008}+...+2^1+2^0\)

\(2N=2^{2010}+2^{2009}+...+2^2+2^1\\ 2N-N=\left(2^{2010}+2^{2009}+...+2^2+2^1\right)-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\\ N=2^{2010}-2^0\\ N=2^{2010}-1\)

Thay vào ta được

\(M=2^{2010}-\left(2^{2010}-1\right)\\ M=2^{2010}-2^{2010}+1\\ M=1\)

Vậy \(M=1\)

Ta có :

\(M=2^{2010}-\left(2^{2009}+2^{2008}+...+2^0\right)\)

Đặt A=22009+22008+..+20

\(A=2^{2009}+2^{2008}+...+2^0\\ 2A=2^{2010}+2^{2009}+...+2^1\\ \Rightarrow2A-A=A=2^{2010}-2^0\\ \Rightarrow M=2^{2010}-\left(2^{2010}-2^0\right)\\ M=2^{2010}-2^{2010}+1\\ \Rightarrow M=1\)

Chúc bạn học tốt!vui

8 tháng 8 2019

Đặt \(A=2^{2009}+2^{2008}+...+2^1+2^0\)

Ta có : \(2A=2^{2010}+2^{2009}+...+2^2+2^1\)

\(\Rightarrow2A-A=2^{2010}-2^0\Rightarrow A=2^{2010}-1\)

Do đó : \(M=2^{2010}-A=2^{2010}-\left[2^{2010}-1\right]=1\)

8 tháng 8 2019

\(M=2^{2010}-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\)

\(2^{2010}-M=2^{2009}+2^{2008}+...+2+1\)

\(2\left(2^{2010}-M\right)=2\left(2^{2009}+2^{2008}+...+2+1\right)\)

\(2\left(2^{2010}-M\right)=2^{2010}+2^{2009}+...+2^2+2\)

\(2\left(2^{2010}-M\right)-M=\left(2^{2010}+2^{2009}+...+4+2\right)-\left(2^{2009}+2^{2008}+...+2+1\right)\)

\(2^{2010}-M=2^{2010}+2^{2009}+...+4+2-2^{2009}-2^{2008}-...-2-1\)

\(2^{2010}-M=2^{2010}-1\)

=> M = 1

14 tháng 9 2016

\(M=2^{2010}-\left(2^{2009}+2^{2008}+...+2^1+2^0\right)\)

\(2^{2010}-M=2^0+2^1+...+2^{2008}+2^{2009}\) 

\(2\left(2^{2010}-M\right)=2+2^2+...+2^{2009}+2^{2010}\)

\(2\left(2^{2010}-M\right)-\left(2^{2010}-M\right)=\left(2+2^2+...+2^{2009}+2^{2010}\right)-\left(2^0+2^1+...+2^{2008}+2^{2009}\right)\)

\(2^{2010}-M=2^{2010}-1\)

\(M=2^{2010}-2^{2010}+1\)

\(M=1\)