1+1+2+2+3+3+````````````````````````````+99999
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1+1+2+2+3+3+````````````````````````````+999991+1+2+2+3+3+````````````````````````````+999991+1+2+2+
1+1+2+2+3+3+````````````````````````````+99999
1+1+2+2+3+3+````````````````````````````+99999
1+1+2+2+3+3+````````````````````````````+99999
2（(1+99999)×99999/2）=2（94999950000)=189999900000
2 1 -2 -3
（1+1/2+1/3+...
1,1,1,2,2,2,3,3,3,填三阶幻方
1/(2^3)+1/(2^3+1)+1/(2^3+2)+1/(2^3+3)+...+1/(2^4-1)
1,1/2,3/2,3/8,( ),( )
1+1+2+2+3+3+````````````````````````````+99999
1+3+2+1+1x2+3
求证1/1+1/2^(3/2)+1/3^(3/2)…+1/n^(3/2)
1+1+1+2+2×3
[-2*1/4+(-1/2)3]*(-2*2/3)+(-1*2/3)2÷5/3
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+2-3-3-3-3=?
证明 1+1/1+1/1*2+1/1*2*3+.+1/1*2*3*...*n
（1/2+1/3)÷(2/3-3/2)=?
1+1/1+2+1/1+2+3+---- +1/1+2+3+ ---- 3Q
求四阶行列式：2 -1 3 2 3 -3 3 2 3 -1 -1 2 3 -1 3 -1
(-2/3)+1/2+4/5+(-1/2)+(-1/3)
1/1+1/2+2/2+1/2+1/3+2/3+3/3+2/3+1/3+.+1/20+2/20+.+20/20+.+2/20+1/20