159*(353535/535353)-105又103/104

zwx52022-10-04 11:39:545条回答

159*(353535/535353)-105又103/104
9999*1111+3333*6666
1/(2*5)+1/(5*8)+1/(8*11)+1/(11*14)+1/(14*17)+1/(17*20)
7285*(12又7/8)+2742*128.75

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共5条回复
wikin 共回答了18个问题 | 采纳率88.9%
159*(353535/535353)-(105+103/104)
=159*(35*10101/53*10101)-(105+103/104)
=105-105-103/104
=-103/104
9999*1111+3333*6666
=9999*1111+3333*3*2222
=9999*(1111+2222)
=(10000-1)*3333
=33326667
1/(2*5)+1/(5*8)+1/(8*11)+1/(11*14)+1/(14*17)+1/(17*20)
=(1/3)*(1/2-1/5+1/5-1/8+1/8-1/11+1/11-1/14+1/14-1/17+1/17-1/20)
=(1/3)*(1/2-1/20)
=(1/3)*(9/20)
=3/20
7285*(12+7/8)+2742*128.75
=7285*(103/8)+2742*(515/4)
=7285*(103/8)+2742*(1030/8)
=(7285+2742*10)*(103/8)
=(7285+27420)*(103/8)
=34705*103/8
=3574615/8
1年前
过去让她过去 共回答了18个问题 | 采纳率
简单还不自己做……
159*(353535/535353)-(105+103/104)
=159*(35*10101/53*10101)-(105+103/104)
=105-105-103/104
=-103/104
9999*1111+3333*6666
=9999*1111+3333*3*2222
=9999*(1111+2222)
1年前
baima128 共回答了6个问题 | 采纳率
159*353535/535353-105*103/104
=159*35/53-105*103/104
=3*35-105*103/104
=105*(1-103/104)
=105/104
1年前
刘金 共回答了15个问题 | 采纳率86.7%
嗯嗯,好简单。
1年前
hehe0506 共回答了3个问题 | 采纳率
159*353535/535353-105*103/104
=159*35/53-105*103/104
=3*35-105*103/104
=105*(1-103/104)
=105/104
1年前

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