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五年级数学《找次品》第一课时精品PPT

  • 2026-05-09 14:51:36
五年级数学《找次品》第一课时精品PPT

五年级数学《找次品》第一课时精品PPT

✅ 步骤拆解超清晰
从天平的三种状态（平衡 / 左重 / 右重），到 3 瓶钙片的找次品演示，再到直观的图示法，逻辑层层递进，学生一看就懂，再也不怕搞混啦！
✅ 配套资料全齐
17 页 PPT + 教案 + 逐字稿 + 学习单，从备课到上课一步到位，新手老师也能直接拿下公开课！
📚 配套资料清单
17 页动画版 PPT
详细教案（含教学目标、重难点）
讲稿（直接照着念不冷场）
配套学习单
#小学数学 #找次品 #数学公开课 #教学 PPT #小学数学课件 #教师备课 #优质公开课 #五年级数学 #公开课

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五年级数学《找次品》第一课时精品PPT

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  1. CONNECT:[ UseTime:0.000430s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
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  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000875s ]
  8. SELECT * FROM `article` WHERE `id` = 512568 LIMIT 1 [ RunTime:0.000547s ]
  9. UPDATE `article` SET `lasttime` = 1778752647 WHERE `id` = 512568 [ RunTime:0.002548s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000355s ]
  11. SELECT * FROM `article` WHERE `id` < 512568 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.003416s ]
  12. SELECT * FROM `article` WHERE `id` > 512568 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.011298s ]
  13. SELECT * FROM `article` WHERE `id` < 512568 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005550s ]
  14. SELECT * FROM `article` WHERE `id` < 512568 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.010648s ]
  15. SELECT * FROM `article` WHERE `id` < 512568 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008041s ]
0.152714s