作业帮简便运算4.28+(5.72-3.99)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/12 16:33:28
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