1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 03:46:39
1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499

1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499
1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499

1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499
1995/1996+9+1995/1996+99+1995/1996+999+1995/1996+1/499=1-1/1996+9+1-1/1996+99+1-1/1996+999+1-1/1996+1/499=10+100+1000-4*1/1996+499=10+100+1000=1110

原式=4*1995/1996+9+99+999+1/499=4*1995/4*1/499+9*123+1/499=1995/499+1/499+1107=4+1107=1111