2+4+8.+98+100等于几2+4+6+8+10...............+94+96+98+100
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 11:10:55
![2+4+8.+98+100等于几2+4+6+8+10...............+94+96+98+100](/uploads/image/z/629672-32-2.jpg?t=2%2B4%2B8.%2B98%2B100%E7%AD%89%E4%BA%8E%E5%87%A02%2B4%2B6%2B8%2B10...............%2B94%2B96%2B98%2B100)
2+4+8.+98+100等于几2+4+6+8+10...............+94+96+98+100
2+4+8.+98+100等于几
2+4+6+8+10...............+94+96+98+100
2+4+8.+98+100等于几2+4+6+8+10...............+94+96+98+100
2+4+6+8+10.+94+96+98+100
=(2+98)+(4+96)+.+100+50
=100*24+100+50
=2550