递等式计算:1.12.4-(0.4+12.8/0.8)*0.5 2.137.4*125-56.4*125-125 -
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 05:33:32
![递等式计算:1.12.4-(0.4+12.8/0.8)*0.5 2.137.4*125-56.4*125-125 -](/uploads/image/z/1020035-11-5.jpg?t=%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%9A1.12.4-%EF%BC%880.4%2B12.8%2F0.8%29%2A0.5+2.137.4%2A125-56.4%2A125-125+-)
递等式计算:1.12.4-(0.4+12.8/0.8)*0.5 2.137.4*125-56.4*125-125 -
递等式计算:1.12.4-(0.4+12.8/0.8)*0.5 2.137.4*125-56.4*125-125 -
递等式计算:1.12.4-(0.4+12.8/0.8)*0.5 2.137.4*125-56.4*125-125 -
1.12.4-(0.4+12.8/0.8)*0.5
=12.4-(0.4+16)*0.5
=12.4-16.4*0.5
=12.4-8.2
=4.2
2.137.4*125-56.4*125-125
=125*(137.4-56.4-1)
=125*80
=10000