![](https://wkrtcs.bdimg.com/rtcs/image?w=331&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"331","h":"113","dataType":"gif","c":"word/media/image1.png"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=119&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"119","h":"45","dataType":"jpeg","c":"word/media/image2.png","imgOriW":772,"imgOriH":155})
整数裂项基本公式
(1) ![](https://wkrtcs.bdimg.com/rtcs/image?w=193&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"193","h":"20","dataType":"gif","c":"word/media/image3.png"})
(2) ![](https://wkrtcs.bdimg.com/rtcs/image?w=436&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"436","h":"37","dataType":"gif","c":"word/media/image5.png"})
【例 1】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=183&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"183","h":"17","dataType":"gif","c":"word/media/image6.png"})
=_________
【巩固】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=352&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"352","h":"17","dataType":"gif","c":"word/media/image7.png"})
________
【例 2】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=189&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"189","h":"17","dataType":"gif","c":"word/media/image8.png"})
=_________
【例 3】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=263&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"263","h":"17","dataType":"gif","c":"word/media/image9.png"})
【例 4】 计算：![](https://wkrtcs.bdimg.com/rtcs/image?w=213&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"213","h":"17","dataType":"gif","c":"word/media/image10.png"})
．
【巩固】 计算：![](https://wkrtcs.bdimg.com/rtcs/image?w=360&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"360","h":"17","dataType":"gif","c":"word/media/image11.png"})
【例 5】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=375&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"375","h":"17","dataType":"gif","c":"word/media/image12.png"})
【例 6】 ![](https://wkrtcs.bdimg.com/rtcs/image?w=227&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"227","h":"17","dataType":"gif","c":"word/media/image13.png"})
【例 7】 计算：![](https://wkrtcs.bdimg.com/rtcs/image?w=201&md5sum=395f6cb10bd191462b736d2a4fd3bddb&sign=0d53780869&rtcs_flag=1&rtcs_ver=3.1&l=webapp&bucketNum=42&ipr={"t":"img","w":"201","h":"37","dataType":"gif","c":"word/media/image14.png"})
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