88888*22222+33333*7408 1+3+5+7+9+.+1999+2001+2003 25又1/3—{(22—19.75)—17.25—16又1/3}5/8*5又1/4+5又1/4+5又1/4*3/8 1999/2000*2001你妹的,谁闲的慌,我R,是你闲的慌吧,这个是扬州市教育学院附属中学的初一
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![88888*22222+33333*7408 1+3+5+7+9+.+1999+2001+2003 25又1/3—{(22—19.75)—17.25—16又1/3}5/8*5又1/4+5又1/4+5又1/4*3/8 1999/2000*2001你妹的,谁闲的慌,我R,是你闲的慌吧,这个是扬州市教育学院附属中学的初一](/uploads/image/z/598994-26-4.jpg?t=88888%2A22222%2B33333%2A7408+1%2B3%2B5%2B7%2B9%2B.%2B1999%2B2001%2B2003+25%E5%8F%881%2F3%E2%80%94%7B%EF%BC%8822%E2%80%9419.75%EF%BC%89%E2%80%9417.25%E2%80%9416%E5%8F%881%2F3%7D5%2F8%2A5%E5%8F%881%2F4%2B5%E5%8F%881%2F4%2B5%E5%8F%881%2F4%2A3%2F8+1999%2F2000%2A2001%E4%BD%A0%E5%A6%B9%E7%9A%84%EF%BC%8C%E8%B0%81%E9%97%B2%E7%9A%84%E6%85%8C%EF%BC%8C%E6%88%91R%EF%BC%8C%E6%98%AF%E4%BD%A0%E9%97%B2%E7%9A%84%E6%85%8C%E5%90%A7%EF%BC%8C%E8%BF%99%E4%B8%AA%E6%98%AF%E6%89%AC%E5%B7%9E%E5%B8%82%E6%95%99%E8%82%B2%E5%AD%A6%E9%99%A2%E9%99%84%E5%B1%9E%E4%B8%AD%E5%AD%A6%E7%9A%84%E5%88%9D%E4%B8%80)
88888*22222+33333*7408 1+3+5+7+9+.+1999+2001+2003 25又1/3—{(22—19.75)—17.25—16又1/3}5/8*5又1/4+5又1/4+5又1/4*3/8 1999/2000*2001你妹的,谁闲的慌,我R,是你闲的慌吧,这个是扬州市教育学院附属中学的初一
88888*22222+33333*7408 1+3+5+7+9+.+1999+2001+2003 25又1/3—{(22—19.75)—17.25—16又1/3}
5/8*5又1/4+5又1/4+5又1/4*3/8 1999/2000*2001
你妹的,谁闲的慌,我R,是你闲的慌吧,这个是扬州市教育学院附属中学的初一新生暑假作业88888*22222+33333*7408 1+3+5+7+9+.+1999+2001+2003 25又1/3—{(22—19.75)—17.25—16又1/3}5/8*5又1/4+5又1/4+5又1/4*3/8 1999/2000*2001你妹的,谁闲的慌,我R,是你闲的慌吧,这个是扬州市教育学院附属中学的初一
88888*22222+33333*7408
=88888*22222+11111*3*8*926
=88888*22222+88888*2778
=88888*(22222+2778)
=88888*25000
=11111*8*25000
=11111*200000
=2222200000
1--2003,一共(2003-1)÷2+1=1002个数
1+3+5+7+.+2001+2003
=(1+2003)*1002÷2
=1004004
25又1/3—{(22—19.75)—17.25—16又1/3}
=25+1/3-(22-19.75-17.25-16-1/3)
=25+1/3-[(22-16)-(19.75+17.25)-1/3]
=25+1/3-(6-37-1/3)
=25+1/3-6+37+1/3
=56+2/3
=56又2/3
5/8*5又1/4+5又1/4+5又1/4*3/8
=5又1/4*(5/8+1+3/8)
=(5+1/4)*2
=5*2+1/4*2
=10+0.5
=10.5
1999/2000*2001
=1999/2000*(2000+1)
=1999/2000*2000+1999/2000
=1999+1999/2000
=1999又1999/200088888*22222+33333*7408
=88888*22222+22222*11112
=(88888+11112)*22222
=100000*22222
=2222200000
1+3+5+7+9+......+1999+2001+2003
=(2004/2)*(2004/2)
=1002*1002
=(1000+2)*...全部展开
88888*22222+33333*7408
=88888*22222+22222*11112
=(88888+11112)*22222
=100000*22222
=2222200000
1+3+5+7+9+......+1999+2001+2003
=(2004/2)*(2004/2)
=1002*1002
=(1000+2)*1002
=1002000+2004
=1004004
25又1/3—{(22—19.75)—17.25—16又1/3}
=25又1/3-22+(19.75+17.25)+16又1/3
=41又2/3+37-20
=58又2/3
5/8*5又1/4+5又1/4+5又1/4*3/8
=5又1/4*(5/8+1+3/8)
= 5又1/4*2
=5*2+1/4*2
=10又1/2
1999/2000*2001收起
楼主是闲的慌!