(2+1)(2^2+1)(2^3+1)(2^4+1))(2^5+1)(2^6+1)(2^7+1)(2^8+1)(2^9+1)(2^16+1)(2^32+1)详细过程.3Q…
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(2+1)(2^2+1)(2^3+1)(2^4+1))(2^5+1)(2^6+1)(2^7+1)(2^8+1)(2^9+1)(2^16+1)(2^32+1)详细过程.3Q…(2+1)(2^2+1)(2
(2+1)(2^2+1)(2^3+1)(2^4+1))(2^5+1)(2^6+1)(2^7+1)(2^8+1)(2^9+1)(2^16+1)(2^32+1)详细过程.3Q…
(2+1)(2^2+1)(2^3+1)(2^4+1))(2^5+1)(2^6+1)(2^7+1)(2^8+1)(2^9+1)(2^16+1)(2^32+1)详细过程.3Q…
(2+1)(2^2+1)(2^3+1)(2^4+1))(2^5+1)(2^6+1)(2^7+1)(2^8+1)(2^9+1)(2^16+1)(2^32+1)详细过程.3Q…
原式=(2+1)(2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^4-1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^8-1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^16-1)(2^16+1)(2^32+1)/(2-1)=(2^32-1)(2^32+1)/(2-1)=(2^64-1)/(2-1)=2^64-1
2 1 -2 -3
(1-1/2^2)(1-1/3^2)(1-1/4^2).(1-1/2009^2),
(1+1/2+1/3+...
1+1+1+2+2×3
(1-1/2^2)*(1-1/3^2)*(1-1/4^2)*.*(1-1/2002^2)*(1-1/2003^2)
计算:-2×(-1/2)^2+|-(-2)|^3-(-1/2)
计算:1+2^(-1)+2^(-2)+2^(-3)+...+2^(-2010)
1+2^1+2^2+2^3+.+2^2008=
1/(2^3)+1/(2^3+1)+1/(2^3+2)+1/(2^3+3)+...+1/(2^4-1)
证明 1+1/1+1/1*2+1/1*2*3+.+1/1*2*3*...*n
下面这段Matlab中BP神经网络模型的代码中的LP.lr=0.P=[1,2,1,3,1,2,3,2,2,1,3,2,3,2;2,1,3,2,1,1,3,3,2,1,3,2,3,2;1,1,3,3,1,2,2,3,2,1,3,2,2,2;1,2,1,3,1,2,1,1,1,1,1,2,2,2;2,2,1,1,1,2,1,2,2,2,3,2,3,2;1,3,1,3,1,2,1,2,1,2,2,1,1,3;2,3,1,3,1,2,1,2
1,1,1,2,2,2,3,3,3,填三阶幻方
1/1+2+1/1+2+3+1/1+2+3+4.1/1+2+3.2011
证明1+1/2^2;+1/3^2;+1/4^2+1/n^2小于2
1、求证:1/1^2+1/2^2+1/3^2+……+1/2008^2
log6[(2+3^1/2)^1/2 + (2-3^1/2)1/2]
1 2 1 2 () () ()()
1+1/2^2