作业帮1.99999+1.9999+1.999+1.99+1.9快来帮我!
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 04:03:38
1.99999+1.9999+1.999+1.99+1.9快来帮我!
1.99999+1.9999+1.999+1.99+1.9
快来帮我!
1.99999+1.9999+1.999+1.99+1.9快来帮我!
1.99999+1.9999+1.999+1.99+1.9
=2-0.00001+2-0.0001+2-0.001+2-0.01+2-0.1
=10-0.11111
=9.88889
9。88889
......- -！！！！
某位伟人曾发明过计算器这种伟大的东西！！！！！
1.99999+1.9999+1.999+1.99+1.9快来帮我!
1.9+1.99+1.999+1.9999+1.99999+1.999999的简便运算
简便计算; 1.9+1.99+1.999+1.9999+1.99999 28*1111+9999*8
证明1.99999.等于2
1.1111*1.9999-0.1111*0.9999
1.9999……是纯循环小数吗?
1999+199.9+19.99+1.999 简算
1999+199.9+19.99+1.999+0.1999
1999+199.9+19.99+1.999=?
1999+199.9+19.99+1.999+0.1999
巧算 1.999+19.99+199.9+1999
1.999精确到0.01是多少
1.999精确到0.01是多少
1.999精确到0.01是多少
1.999近似值最大值和最小值
1.999保留二位小数
简便运算：1999+199.9+19.99+1.999+2.111
1999+199.9+19.99+1.999+2.111简便运算