简便运算:0.9+0.98+0.997+0.9996+0.99995
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 00:25:03
![简便运算:0.9+0.98+0.997+0.9996+0.99995](/uploads/image/z/399762-18-2.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A0.9%2B0.98%2B0.997%2B0.9996%2B0.99995)
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简便运算:0.9+0.98+0.997+0.9996+0.99995
简便运算:0.9+0.98+0.997+0.9996+0.99995
简便运算:0.9+0.98+0.997+0.9996+0.99995
0.9+0.98+0.997+0.9996+0.99995
=1-0.1+1-0.02+1-0.003+1-0.0004+1-0.00005
=5-0.12345
=4.87655
原式=1+1+1+1+1-0.1-0.02-0.003-0.0004-0.00005=4.87655