实在被无数张计算弄晕了、、懒得做了.)一 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11二 39x148/149+148x86/149+48x74/149三 2011÷2011又2011/2012四 1001x5又5/13+198÷198又198/199+1/200五 5/19+1.4/19x5.76-0.213x14/19+14/190

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实在被无数张计算弄晕了、、懒得做了.)一 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11二 39x148/149+148x86/149+48x74/149三 2011÷2011又2011/2012四 1001x5又5/13+198÷198又198/199+1/200五 5/19+1.4/19x5.76-0.213x14/19+14/190
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实在被无数张计算弄晕了、、懒得做了.)一 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11二 39x148/149+148x86/149+48x74/149三 2011÷2011又2011/2012四 1001x5又5/13+198÷198又198/199+1/200五 5/19+1.4/19x5.76-0.213x14/19+14/190
实在被无数张计算弄晕了、、懒得做了.)
一 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11
二 39x148/149+148x86/149+48x74/149
三 2011÷2011又2011/2012
四 1001x5又5/13+198÷198又198/199+1/200
五 5/19+1.4/19x5.76-0.213x14/19+14/190x6.37
六 10/13÷2又19/22-1又2/5x11/13÷7+1/5x22/63
七 123÷123又123/124
八 2002÷2002又2001/2003
九 1/1x4+1/4x7+1/7x10+1/10x13...+1/22x25
十 169x111111/131313+2004x2002/2003
题太多了.

实在被无数张计算弄晕了、、懒得做了.)一 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11二 39x148/149+148x86/149+48x74/149三 2011÷2011又2011/2012四 1001x5又5/13+198÷198又198/199+1/200五 5/19+1.4/19x5.76-0.213x14/19+14/190
1、 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11
=(4.75+15.25) ×16/11+(15.25+4.75)×6/11
=20×16/11+20×6/11=20×(16/11+6/11)=440/11=40
2、39x148/149+148x86/149+48x74/149
=(39+86+24)×148/149=149×148/149=148
3、2011÷2011又2011/2012
=2011÷(2011×2012+2011)/2012
=2011÷[2011×2013/2012]
=2011×2012/(2011×2013)=2012/2013
4、1001x5又5/13+198÷198又198/199+1/200
=1001×70/13+198÷[198×199+198]/199+1/200
=77×70+198×199/(198×200)+1/200
=5390+199/200+1/200
=5391
5、5/19+1.4/19x5.76-0.213x14/19+14/190x6.37
=5/19+14/19×(0.576-0.213+0.637)
=5/19+14/19×1=1
6、10/13÷2又19/22-1又2/5x11/13÷7+1/5x22/63
=10/13x22/63-7/5x11/13x1/7+1/5x22/63
=220/(13x63)-11/(13x5)+22/(5x63)
=(220x5+11x63+22x13)/(13x63x5)
=(11x3)/(13x5)
=33/65 *(写成分数时括号去掉)
7、123÷123又123/124
=123÷(123x124+123)/124
=(123x124)/(123x125)
=124/125
8、2002÷2002又2001/2003=(2002x2002+1)/2002x2003
9、1/1x4+1/4x7+1/7x10+1/10x13...+1/22x25
=1/3 x(1-1/4)+1/3 x(1/4-1/7)+...+1/3 x(1/22-1/25)
=1/3 x(1-1/4+1/4-1/7+...+1/22-1/25)
=1/3 x(1-1/25)
=1/3 x 24/25 =8/25
10、169x111111/131313+2004x2002/2003
=13x13x3x7x37x143/13x13x3x7x37+2003-1/2003
=143+2003-1/2003

1. 16/11*(4.75+15.25)+6/11*(4.75+15.25)
=(16+6)/11*20=2*20=40
2. 148*(39+86+24)/149=148*149/149=148
3. 2011/[(2011*2013)/2012]
=2012/2013
4. 70070/13+199/200+1/200=70070/13+1
没力打了,随便给点分吧
继续接吧

这是前六道,剩下的等会儿做出来在传

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1、 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11
=(4.75+15.25) ×16/11+(15.25+4.75)×6/11
=20×16/11+20×6/11=20×(16/11+6/11)=440/11
2、39x148/149+148x86/149+48x74/149
=(39+86+24)×148/1...

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1、 4.75x16/11+15又1/4x6/11+4.75x6/11+15又1/4x16/11
=(4.75+15.25) ×16/11+(15.25+4.75)×6/11
=20×16/11+20×6/11=20×(16/11+6/11)=440/11
2、39x148/149+148x86/149+48x74/149
=(39+86+24)×148/149=149×148/149=148
3、2011÷2011又2011/2012
=2011÷(2011×2012+2011)/2012
=2011÷[2011×2013/2012]
=2011×2012/(2011×2013)=2012/2013
4、1001x5又5/13+198÷198又198/199+1/200
=1001×70/13+198÷[198×199+198]/199+1/200
=77×70+198×199/(198×200)+1/200
=5390+199/200+1/200
=5391
5、5/19+1.4/19x5.76-0.213x14/19+14/190x6.37
=5/19+14/19×(0.576-0.213+0.637)
=5/19+14/19×1=1
6、10/13÷2又19/22-1又2/5x11/13÷7+1/5x22/63
自己做吧

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