简便运算4.28+(5.72-3.99)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 22:05:48
![简便运算4.28+(5.72-3.99)](/uploads/image/z/198508-4-8.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%974.28%2B%285.72-3.99%29)
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简便运算4.28+(5.72-3.99)
简便运算4.28+(5.72-3.99)
简便运算4.28+(5.72-3.99)
=4.28+5.72-3.99
=10-(4-0.01)
=10-4+0.01
=6+0.01
=6.01
1.=4.28+5.72-3.99
=10-(4-0.01)
=10-4+0.01
=6+0.01
=6.01
2.=4.28+(5.72-4+0.01)
=4.28+1.73
=4.28+1.72+0.01
=6.01
望楼主采纳
=(4.28+5.72)-(4-0.01)
=10-4+0.01
=6.01