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【教学课件】沪科版数学八年级上册

  • 2026-04-25 10:05:08
【教学课件】沪科版数学八年级上册
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 11.1.1平面内点的坐标 11.1.2坐标平面内的图形 11.2图形在坐标系中的平移 12.1.1变量与函数 12.1.2函数的表示方法 12.2.1正比例函数的图象和性质 12.2.2一次函数的图象和性质 12.2.3用待定系数法求一次函数的解析式 12.2.4一次函数的应用 12.3一次函数与二元一次方程 12.4综合实践 一次函数模型的应用 12.2.5一次函数与一元一次方程、不等式 13.1.1三角形中边的关系 13.1.2三角形中角的关系 13.1.3三角形中几条重要线段 13.2.1命题 13.2.2证明、三角形的内角和定理及推论 13.2.3三角形的外角 14.1全等三角形 14.2.1三角形全等的判定(SAS) 14.2.2三角形全等的判定(ASA) 14.2.5两个直角三角形全等的判定(HL) 14.2.4其他判定两个三角形全等的条件(AAS) 14.2.3三角形全等的判定(SSS) 15.1.1轴对称图形与轴对称 15.1.2平面直角坐标系中的轴对称 15.2线段的垂直平分线 15.3.1等腰三角形的性质定理及推论 15.3.2等腰三角形的性质定理及推论 15.4.1角平分线的尺规作图 15.4.2角平分线的性质及判定

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  1. CONNECT:[ UseTime:0.000656s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000780s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000377s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000273s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000483s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000568s ]
  8. SELECT * FROM `article` WHERE `id` = 459260 LIMIT 1 [ RunTime:0.000427s ]
  9. UPDATE `article` SET `lasttime` = 1777321981 WHERE `id` = 459260 [ RunTime:0.003443s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000264s ]
  11. SELECT * FROM `article` WHERE `id` < 459260 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000423s ]
  12. SELECT * FROM `article` WHERE `id` > 459260 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001500s ]
  13. SELECT * FROM `article` WHERE `id` < 459260 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001961s ]
  14. SELECT * FROM `article` WHERE `id` < 459260 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000763s ]
  15. SELECT * FROM `article` WHERE `id` < 459260 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003691s ]
0.084843s