100²-99²+98²-97²+96²...+2²-1²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 05:03:40
![100²-99²+98²-97²+96²...+2²-1²](/uploads/image/z/1835915-59-5.jpg?t=100%26%23178%3B-99%26%23178%3B%2B98%26%23178%3B-97%26%23178%3B%2B96%26%23178%3B...%2B2%26%23178%3B-1%26%23178%3B)
100²-99²+98²-97²+96²...+2²-1²
100²-99²+98²-97²+96²...+2²-1²
100²-99²+98²-97²+96²...+2²-1²
=100+99+98+97+96+95+------+2+1
=5050
100²-99²+98²-97²+96²...+2²-1²
=100+99+98+97+96+95+------+2+1
=5050