外贸白痴问题,3'x8'x 1 3/4" thickness 是什么Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4" thickness heavy doors 3'x8'x 1 3/4" thickness 主要问这个,这里的3'x8'x 1 3/4"是什么东西,

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外贸白痴问题,3''x8''x13/4"thickness是什么Ourcompanyislookingtopurchase1,000Interior3''x8''x13/4"thicknessheavydoo

外贸白痴问题,3'x8'x 1 3/4" thickness 是什么Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4" thickness heavy doors 3'x8'x 1 3/4" thickness 主要问这个,这里的3'x8'x 1 3/4"是什么东西,
外贸白痴问题,3'x8'x 1 3/4" thickness 是什么
Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4" thickness heavy doors
3'x8'x 1 3/4" thickness 主要问这个,这里的3'x8'x 1 3/4"是什么东西,

外贸白痴问题,3'x8'x 1 3/4" thickness 是什么Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4" thickness heavy doors 3'x8'x 1 3/4" thickness 主要问这个,这里的3'x8'x 1 3/4"是什么东西,
3英尺宽8英尺长,7/4英寸厚

外贸白痴问题,3'x8'x 1 3/4 thickness 是什么Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4 thickness heavy doors 3'x8'x 1 3/4 thickness 主要问这个,这里的3'x8'x 1 3/4是什么东西, 外贸?3'x8'x 1 3/4是什么,见下Our company is looking to purchase 1,000 Interior 3'x8'x 1 3/4 thickness heavy doors 请问这个规格是什么呢, 3x8+4x8+5x8+6x8+7x8+8x8+9x8+10x8 的简便运算 1x8+1=9,12x8+2=98,123x8+3=987,1234x8+4=9876照样子继续四道这样的题? (-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) 5x(-4)-3x(-2)-(3-7)x8分之1 (-1/12)x8/15x(-2/3)x(-9/4)怎么计算呀 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 3x(1/2—5/6—3/4+7/12)x8 有个很白痴的问题——x+xy=3算不算2元1次方程? 很白痴的一个数学问题:x+3y=3x+y=-7 (-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)= (7.5/1+5/1)+5/1(x-1)=1 80/xX2+80/x+5 x8=4/3 一道比较白痴的问题,解法忘了求赐教f(x+3)=2x^3-2x^2+5x-1,求f(x) 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; 找规律:1x8+1=9 12x8+2=98 123x8+3=987……123456x8+6=? X8(次方)+X+1 因式分解X8+X+1 当x-1/x=3时,(x10+x8+x2+1)/(x10+x6+x4+1)=