2/2x4+2/4x6+2/6x8+2/8x10+2/10x2=
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 07:03:22
![2/2x4+2/4x6+2/6x8+2/8x10+2/10x2=](/uploads/image/z/1250076-12-6.jpg?t=2%2F2x4%EF%BC%8B2%2F4x6%EF%BC%8B2%2F6x8%EF%BC%8B2%2F8x10%EF%BC%8B2%2F10x2%EF%BC%9D)
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2/2x4+2/4x6+2/6x8+2/8x10+2/10x2=
2/2x4+2/4x6+2/6x8+2/8x10+2/10x2=
2/2x4+2/4x6+2/6x8+2/8x10+2/10x2=
2/2x4+2/4x6+2/6x8+2/8x10+2/10x12
=(1/2-1/4)+(14-1/6)+(1/6-1/8)+(1/8-1/10)+(1/10-1/12)
=1/2-1/12
=5/12