Excel求平均值如何保留两位小数

[[{"txt": "Excel\u662f\u5e38\u7528\u7684\u529e\u516c\u8f6f\u4ef6\u3002\u90a3\u4e48excel\u6c42\u5e73\u5747\u503c\u5982\u4f55\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\uff1f\u4e0d\u8981\u7740\u6025\uff0c\u4e0b\u9762\u5c0f\u7f16\u548c\u5927\u5bb6\u5206\u4eab\u3002"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u5148\u6309\u7167\u6b63\u786e\u65b9\u6cd5\u6c42\u51fa\u5e73\u5747\u503c\uff0c\u4e0b\u62c9\u8ba1\u7b97\u51fa\u5176\u4ed6\u5b66\u751f\u7684\u5e73\u5747\u5206\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/c3c22dbf3bef354f270cb08a23db574afb321b08.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5355\u9009\u201c\u5e73\u5747\u5206\u201d\u4e00\u5217\uff0c\u627e\u5230\u201c\u8bbe\u7f6e\u5355\u5143\u683c\u683c\u5f0f\u547d\u4ee4\u201d\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/fb738d9c2cf7dfb2a3adca98d01b1edef5dc1308.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5f39\u51fa\u8bbe\u7f6e\u5355\u5143\u683c\u683c\u5f0f\u5bf9\u8bdd\u6846\uff0c\u4f9d\u6b21\u70b9\u51fb\u201c\u6570\u5b57\u201d\uff0c\u201c\u5206\u7c7b\u201d\uff0c\u201c\u6570\u503c\u201d\uff0c\u201c\u5c0f\u6570\u4f4d\u6570\u201d\u8bbe\u7f6e\u4e3a\u201c2\u201d\uff0c\u70b9\u51fb\u201c\u786e\u5b9a\u201d\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/125ed0ecd3d969757b70e82dd243040149fe0908.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u8fd4\u56de\u5728\u7f16\u8f91\u7684excel\u8868\u683c\uff0c\u4f1a\u53d1\u73b0\u6240\u6c42\u7684\u5e73\u5747\u503c\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/059057299a8839137c51e85a26bcbe2f46707c08.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}]]