根据函数<img src="https://static.zxtiku.com/wangke/imgs/topic/3c9c03d30da237886862a1a7031ccb06.png"/>在<img src="https://static.zxtiku.com/wangke/imgs/topic/58d47df9224702f42b9bb2734a2bf430.png"/>处的函数值，用分段线性插值法插值，则<img src="https://static.zxtiku.com/wangke/imgs/topic/19e8f95bc11371d0c5b1879ad35e8370.png"/>处的插值结果为