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六上数学·分数应用题专项训练

  • 2026-11-11 18:33:00
六上数学·分数应用题专项训练
分数应用题是六年级数学高频考点，在考试中大约要占50%，10种题型一网打尽。
⚠高频坑点
1. ❌看到“其余人的几分之一”，不要直接当成占总数的这个分数！一定要转换
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2. ❌一赚一亏两件同售价商品，最后一定赔
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3. ❌先降后提相同分数，现价＜原价
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4. ❌抓不变量题目，总量变了，不能直接用原来总数乘新分率
📝通用4步解题流程
1. 圈关键词，找出单位“1”
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2. 判断单位“1”已知（乘）还是未知（除/方程）
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3. 找准分量和它对应的分率（最关键！）
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4. 列式、验算
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  1. CONNECT:[ UseTime:0.000600s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000835s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000419s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000364s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000519s ]
  6. SELECT * FROM `set` [ RunTime:0.000280s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000692s ]
  8. SELECT * FROM `article` WHERE `id` = 545289 LIMIT 1 [ RunTime:0.000368s ]
  9. UPDATE `article` SET `lasttime` = 1794407155 WHERE `id` = 545289 [ RunTime:0.001281s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000318s ]
  11. SELECT * FROM `article` WHERE `id` < 545289 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000404s ]
  12. SELECT * FROM `article` WHERE `id` > 545289 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000364s ]
  13. SELECT * FROM `article` WHERE `id` < 545289 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000478s ]
  14. SELECT * FROM `article` WHERE `id` < 545289 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000575s ]
  15. SELECT * FROM `article` WHERE `id` < 545289 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000487s ]
0.091548s