探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014
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探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014探究并计算:1/2x4+1/4x6+1/6x8+…+
探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014
探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014
探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014
啊
探究并计算:1/2x4+1/4x6+1/6x8+…+1/2012x2014
1x2+2x4+3x6+4x8+5x10+.+20x40 简便计算
观察下列等式:1/1X2+1/2X3+1/3X4=1-1/2+1/2-1/3+1/3-1/4=1-1/4=3/4(1)直接写出下列各式的计算结果:1/1X2+1/2X3+1/3X4+...+1/2006X2007=(2)探究并计算:1/2X4+1/4X6+1/6X8+...+1/2006X2008
1/(x4+x6)的不定积分
已知:2/2x4=1/2-1/4 .计算:2/2x4+2/4x6+2/6x8+2/8x10+2/10x2
计算s=1-2x2/3!+4x4/5!-6x6/7!+…的VB程序
2013/1x2+2013/2X3+2013/3X4+2013/4X5+2013/5X6简便计算,
1x3+2x4+3x5+4x6……+100x102=?
1x2+2x4+3x6+4x8 ------------------------------- 2x3+4x6+6x9+8x12简便方法啊(1x2+2x4+3x6+4x8 )/( 2x3+4x6+6x9+8x12)
做一个长方体抽屉,用了下面几 长方体形的木板.A 1X6 B 1X4 C 2X6 D 4X6 E1 X6 F 1X4 ( )号木板是抽屉的
(1x2+2x4+3x6+4x8)/(2x3+4x6+6x9+8x12)简便方法啊,
求(x4+1)/(x6+1)的不定积分
1X2+2X4+3X6+.50X100
1x2+2x4+3x6+.+1005x2010
1X2+2X4+3X6+.50X100
1/1x3+1/2x4+1/3x5+1/4x6+...+1/100x102=?
1/1x3+1/2x4+1/3x5+1/4x6+...+1/10x12
1/2x4+1/4x6+1/6x8+.+1/2010x2012