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九上化学专项练习——元素质量相关运算

  • 2026-11-04 11:33:00
九上化学专项练习——元素质量相关运算
1-3   DCD
4（1）4
   （2）96:5
5（1）396
  （2）84:11:4
  （3）168
6     MCl3;     12:8:9
7（1）3
  （2）5:8
  （3）15:2
  （4）100
8（1）246
  （2）84:7:32
9（1）9:1
  （2）6
  （3）60mg
  （4）200
10 （1）88
     （2）9:1:12
11（1）32
    （2）3:1:4
12（1）7:12
    （2）80
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写作配套4类练习题,循环练,刚好对应四项基本功,还有时长拆分.

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-04 16:27:26 HTTP/1.1 GET : http://www.sjds.net/a/536363.html
  2. 运行时间 : 0.095373s [ 吞吐率：10.49req/s ] 内存消耗：4,299.68kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=8cbcd98cb00da5ebaf69ce22fa95d7a4
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  1. CONNECT:[ UseTime:0.000409s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000643s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000346s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000370s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000572s ]
  6. SELECT * FROM `set` [ RunTime:0.000305s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000658s ]
  8. SELECT * FROM `article` WHERE `id` = 536363 LIMIT 1 [ RunTime:0.000499s ]
  9. UPDATE `article` SET `lasttime` = 1793780846 WHERE `id` = 536363 [ RunTime:0.001020s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000312s ]
  11. SELECT * FROM `article` WHERE `id` < 536363 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000383s ]
  12. SELECT * FROM `article` WHERE `id` > 536363 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000409s ]
  13. SELECT * FROM `article` WHERE `id` < 536363 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000461s ]
  14. SELECT * FROM `article` WHERE `id` < 536363 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000688s ]
  15. SELECT * FROM `article` WHERE `id` < 536363 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000652s ]
0.105965s