(-191919*9898+989898*1919)\(-1\2+3.14帮帮忙
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/22 01:46:04
![(-191919*9898+989898*1919)\(-1\2+3.14帮帮忙](/uploads/image/z/9293367-39-7.jpg?t=%28-191919%2A9898%2B989898%2A1919%29%5C%EF%BC%88-1%5C2%2B3.14%E5%B8%AE%E5%B8%AE%E5%BF%99)
(-191919*9898+989898*1919)\(-1\2+3.14帮帮忙
(-191919*9898+989898*1919)\(-1\2+3.14
帮帮忙
(-191919*9898+989898*1919)\(-1\2+3.14帮帮忙
=[-(190000+1919)*9898+(980000+9898)*1919]\(-1\2+3.14 )
=[-190000*9898+980000*1919]\(-1\2+3.14 )
=[-190000*(9800+98)+980000*(1900+19)\(-1\2+3.14 )
=(-190000*98+980000*19)\(-1\2+3.14 )
=0\(-1\2+3.14 )
=0