CN107798965B - 一种数学概率教学用骰子摇动装置 - Google Patents
一种数学概率教学用骰子摇动装置 Download PDFInfo
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- CN107798965B CN107798965B CN201711175759.3A CN201711175759A CN107798965B CN 107798965 B CN107798965 B CN 107798965B CN 201711175759 A CN201711175759 A CN 201711175759A CN 107798965 B CN107798965 B CN 107798965B
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CN108428373A (zh) * | 2018-06-19 | 2018-08-21 | 寇芳 | 一种用于概率演示教学的投影仪 |
CN109345918A (zh) * | 2018-11-16 | 2019-02-15 | 南昌工学院 | 数学概率演示装置 |
CN110033675B (zh) * | 2019-03-04 | 2021-03-23 | 莱芜职业技术学院 | 一种高等数学概率教学演示装置 |
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CN204066506U (zh) * | 2014-08-28 | 2014-12-31 | 韩冰 | 一种数学便携式演示教具 |
CN206097602U (zh) * | 2016-08-12 | 2017-04-12 | 王娜娜 | 一种新型数学概率统计教育装置 |
CN206134156U (zh) * | 2016-09-29 | 2017-04-26 | 福建海峡彩亮光电科技有限公司 | 节能led电子屏幕 |
CN206388399U (zh) * | 2016-12-15 | 2017-08-08 | 大庆师范学院 | 高等数学概率教学演示装置 |
CN206657538U (zh) * | 2017-03-08 | 2017-11-21 | 湖南人文科技学院 | 一种用于数学教学的概率演示装置 |
CN206594898U (zh) * | 2017-03-26 | 2017-10-27 | 阿坝师范学院 | 一种数学教学概率演示装置 |
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Effective date of registration: 20200115 Address after: 325000 East Road Fort Apartment, Lucheng District, Wenzhou City, Zhejiang Province, 10 1604 Rooms-2 (Trusteeship 31) Applicant after: Wenzhou Huan Hong Textile Co., Ltd. Address before: 110004 No. 3 Lane 11, Wenhua Road, Heping District, Liaoning, Shenyang Applicant before: Huang Yue |
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Effective date of registration: 20201126 Address after: 226215 10 group, four floor village, cooperation Town, Qidong City, Nantong, Jiangsu. Patentee after: NANTONG QIWU AGRICULTURAL PRODUCTS Co.,Ltd. Address before: 325000 East Road Fort Apartment, Lucheng District, Wenzhou City, Zhejiang Province, 10 1604 Rooms-2 (Trusteeship 31) Patentee before: WENZHOU HUANHONG TEXTILE Co.,Ltd. |