王茜演员:1-(21/2)-(83/37)-9.5=?
来源:百度文库 编辑:高校问答 时间:2024/05/21 16:53:14
麻烦破费一张验算纸
-766/37
1-(21/2)-(83/37)-9.5
=1-(21/2+19/2)-(83/37)
=1-20-(83/37)
=-19-2(9/37)
=-21(9/37)
负的21又37分之9,不是-21*(9/37)
-1572/74 等于-21.243243243243243.....243循环