(0.25+1/4+l/2)x8=

(0.25+1/4+l/2)x8= 1x8+1=9,12x8+2=98,123x8+3=987,1234x8+4=9876照样子继续四道这样的题? 1X8+1=9,12X8+2=98,123x8+3=987,1234x8+4=9876找规律把下面,□填上数字□x8+□=□,□x8+□=□,□x8+□=□,□x8+□=口 1/2x4+1/4x6+1/6x8+……+l/48x50 找规律：1x8+1=9 12x8+2=98 123x8+3=987……123456x8+6=? （-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 的计算过程.（-5/12)x8/15x1/2x(-2/3) (-5)x8x(-7)x(-0.25)= （-5/12)x8/15x3/2x(-2/3)x0x(-1)= (-1)x(-5/4)x8/15x3/2x(-2/3)x0x(-1)= 1x8+1=9 12x8+2=98 123x8+3=987 这三个算式有什么规律? 1x8+1=9 12x8+2=98 123x8+3=987 这三个算式有什么规律 (125+6)X8=( )x8+( )x8 2x4/1+4x6/1+6x8/1+…+2006x2008/1=? 1/(2x4)+1/(4x6)+1/(6x8)+...+1/(2006x2008)= 2x4/1+4x6/1+6x8/1+...+2006x2008/1=? 2x4/1+4x6/1+6x8/1.+96x98/1+98x100/1= 2x4/1+4x6/1+6x8/1+…+2008/2010=? 1x8+1 =9 12x8+2=98 123x8+3=987 9x9-1=80 98x9-2=880 987x8-3=8880 求问,有什么规律? 3x8+4x8+5x8+6x8+7x8+8x8+9x8+10x8 的简便运算 数学建模的LINGO使用问题modelmin=x0+x11+x8+x9;x0+x1+x2+x3+x4+x5+x6+x7+x8+x9+x10+x11=11;x0+x1+x3+x4>=4;x1+x2+x4+x5>=4;x2+x3+x5+x6>=4;x3+x4+x6+x7>=3;x4+x5+x7+x8>=3;x5+x6+x8+x9>=4;x6+x7+x9+x10>=4;x7+x8+x10+x11>=2;x8+x9+x11+x0>=2;x9+x10+x0+x1>=1;