制作数学课件时如何创建总和符号

制作数学课件时如何创建总和符号

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    [[{"txt": "\u5236\u4f5c\u6570\u5b66\u8bfe\u4ef6\u65f6\uff0c\u5e38\u9700\u8981\u521b\u5efa\u4e00\u4e9b\u7279\u6b8a\u7684\u6570\u5b66\u7b26\u53f7\uff0c\u4eca\u5929\u6765\u4ecb\u7ecd\u4e00\u4e0b\u5236\u4f5c\u6570\u5b66\u8bfe\u4ef6\u65f6\u5982\u4f55\u521b\u5efa\u603b\u548c\u7b26\u53f7\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/3852f6e5eceeadbc7acb90c2cd18dfdae53b7b7b.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u5de5\u5177/\u539f\u6599"]}, {"txt": " \u64cd\u4f5c\u7cfb\u7edf\uff1awin7"}, {"txt": " \u8f6f\u4ef6\uff1aEdraw Max"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u6253\u5f00Edraw Max\u8f6f\u4ef6\uff0c\u8fdb\u5165\u5176\u4e3b\u754c\u9762\u4e2d\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/64a62a0f64781423b558a18caac2bbd6e0d0b277.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5728\u79d1\u5b66\u4e2d\u53cc\u51fb\u6570\u5b66\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/ab966c6b0ce265e73ceeb3ca9f23beb9773eb777.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u8fdb\u5165\u6570\u5b66\u7b26\u53f7\u5e93\u4e2d\uff0c\u70b9\u51fb\u6570\u5b66\u7b26\u53f7\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/3b8fb4d7726b0ce26206e3bdef781423bfb9b677.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u627e\u5230\u5e76\u9009\u4e2d\u9700\u8981\u7684\u603b\u548c\u7b26\u53f7\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/fdb4f00d3aceaad7778adb50eee7340f6578b877.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u7528\u9f20\u6807\u5c06\u5b83\u62d6\u653e\u5230\u7f16\u8f91\u533a\u4e2d\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/e4b5e2f5ee0d3aceae36a5d987e265e7350fbb77.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u70b9\u51fb\u5b57\u53f7\u65c1\u8fb9\u7684\u7bad\u5934\uff0c\u5728\u5b57\u53f7\u5e93\u4e2d\u9009\u62e9\u9700\u8981\u7684\u5927\u5c0f\uff0c\u598236\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/874f6275e5f4fcf5ececed7c21d7726b0de2bd77.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u6211\u4eec\u5c31\u5728Edraw Max\u4e2d\u521b\u5efa\u597d\u4e86\u9700\u8981\u7684\u603b\u548c\u7b26\u53f7\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/7d34fbf4fcf5ee0d392f7d65f96b0ce264e7ba77.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u5c0f\u7ed3\uff1a"]}, {"txt": "\u6253\u5f00Edraw Max\u8f6f\u4ef6\uff0c\u5728\u79d1\u5b66\u4e2d\u53cc\u51fb\u6570\u5b66\uff1b\u8fdb\u5165\u6570\u5b66\u7b26\u53f7\u5e93\u4e2d\uff0c\u70b9\u51fb\u6570\u5b66\u7b26\u53f7\uff1b\u627e\u5230\u5e76\u9009\u4e2d\u9700\u8981\u7684\u603b\u548c\u7b26\u53f7\uff1b\u7528\u9f20\u6807\u5c06\u5b83\u62d6\u653e\u5230\u7f16\u8f91\u533a\u4e2d\uff1b\u8c03\u6574\u603b\u548c\u7b26\u53f7\u7684\u5927\u5c0f\u3002"}], [{"txt": ["\u6ce8\u610f\u4e8b\u9879"]}, {"txt": "\u5b57\u53f7\u6570\u5b57\u8d8a\u5927\uff0c\u5b57\u7b26\u8d8a\u5927\u3002"}]]
    2024-05-05
    1楼
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