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二年级数学公开课课件《加法各部分关系》

  • 2026-09-28 07:37:11
二年级数学公开课课件《加法各部分关系》

二年级数学公开课课件《加法各部分关系》

✅ 故事线教学：从周末热身考验、电器大采购到滑雪场买票，把「和 = 加数 + 加数」「加数 = 和 - 另一个加数」藏在场景里，孩子跟着剧情走就把公式吃透了！
✅ 配套超齐全：19 页 PPT + 教案 + 讲稿 + 学习单
✅ 画风超吸睛：3D 卡通人物 + 明亮配色，低年级小朋友完全没有抵触感，注意力一下就被抓住了～
#小学数学[话题]# #二年级数学[话题]# #数学公开课[话题]##加法各部分间的关系[话题]# #数学课件[话题]##公开课课件[话题]# #公开课[话题]#

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  1. CONNECT:[ UseTime:0.000550s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000760s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000364s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000374s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000616s ]
  6. SELECT * FROM `set` [ RunTime:0.000316s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000610s ]
  8. SELECT * FROM `article` WHERE `id` = 507935 LIMIT 1 [ RunTime:0.000387s ]
  9. UPDATE `article` SET `lasttime` = 1790726883 WHERE `id` = 507935 [ RunTime:0.001566s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000347s ]
  11. SELECT * FROM `article` WHERE `id` < 507935 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 507935 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000385s ]
  13. SELECT * FROM `article` WHERE `id` < 507935 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000647s ]
  14. SELECT * FROM `article` WHERE `id` < 507935 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000789s ]
  15. SELECT * FROM `article` WHERE `id` < 507935 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000609s ]
0.083413s