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2004.05X1997.05-2001.05x1999.05的简便计算

答案:6  悬赏:10  手机版
解决时间 2021-04-05 21:29
  • 提问者网友:情歌越听越心酸
  • 2021-04-05 02:10
2004.05X1997.05-2001.05x1999.05的简便计算
最佳答案
  • 五星知识达人网友:低血压的长颈鹿
  • 2021-04-05 03:21
2004.05X1997.05-2001.05x1999.05
=2004.05X1997.05-2001.05x1997.05-2001.05x2
=(2004.05-2001.05)x1997.05-4002.1
=3x1997.05-4002.1
=5991.15-4002.1
=1989.05
全部回答
  • 1楼网友:十鸦
  • 2021-04-05 08:07
2004.05×1997.05-2001.05×1999.05
=(2001.05+3)×1997.05-2001.05×1999.05
=2001.05x1997.05+3x1997.05-2001.05x1999.05
=2001.05x(1997.05-1999.05)+3x(2000-2.95)
=2001.05x-2+3x2000-2.95x3
=-4002.1+6000-(3-0.05)x3
=6000-4000-2.1-9+0.15
=2000.15-11.1
=1989.05
  • 2楼网友:野味小生
  • 2021-04-05 07:29
2004.05×1997.05-2001.05×1999.05
=(2001.05+3)×1997.05-2001.05×1999.05
=2001.05x1997.05+3x1997.05-2001.05x1999.05
=2001.05x(1997.05-1999.05)+3x(2000-2.95)
=2001.05x-2+3x2000-2.95x3
=-4002.1+6000-(3-0.05)x3
=6000-4000-2.1-9+0.15
=2000.15-11.1
=1989.05
  • 3楼网友:一叶十三刺
  • 2021-04-05 06:15
2004.05X1997.05-2001.05x1999.05
=(2000.05+4)(2000.05-3)-(2000.05+1)(2000.05-1)
=2000.05^2+2000.05-12-2000.05^2+1
=2000.05-11
=1989.05。
  • 4楼网友:一袍清酒付
  • 2021-04-05 04:48
2004.05X1997.05-2001.05x1999.05
=2004.05X1997.05-2001.05x1997.05-2001.05*2
=1997.05*(2004.05-2001.05)-2001.05*2
=1997.05*3-2001.05*2
=1997.05*3-(1997.05+4)*2
=1997.05-8
=1989.05
  • 5楼网友:一袍清酒付
  • 2021-04-05 03:33
=(2004.05—2001.05)*1997.05 =3*1997.05 =5991.05 请采纳谢谢
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