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数学试卷答题套路

  • 2026-06-14 23:58:39
数学试卷答题套路
一、概念题检查要点
概念题分填空、选择、判断三种题型。对于概念要知道、理解、应用。在平时经历知识的形成过程的基础上，记住是什么，并应用这些概念去填空、选择、判断。填空、选择时最好在草稿纸上写出思考的过程，需要计算的地方要反复计算。判断题你认为是对的要写出理论的根据是什么，如果你认为它是错的举上一个反例来说明它错就可以了。
如下面的两道判断题：
⑴小数都比0大,比1小( ).
⑵自然数不是奇数就是偶数( )。
可写分析如下：
⑴是错的，举一个反例来说明它错。1.1是小数,它比1大.
⑵题是对的,要说出理论的根据.自然数中除了能被2整除的数,就是不能被2整除的数。能被2整除的数是偶数,不能被2整除的数是奇数。所以,自然数不是奇数就是偶数。
选择题可以用排除法、代入计算法，选择时要把所有选项看完后，再做下一题，注意多选的情况，检查时要把所选的答案可以代入题中计算或者判断是否正确
二、计算题的答题检查技巧
计算题，分直接写得数，简算，脱式计算和列式计算四种题型。总体来说计算题要做到四认真，即：认真抄题、认真做题、认真列竖式、认真检验。简算题的基础是运算定律和性质。
如：计算2.6×37+63×2.6时，
可考虑如下：
这个题是两边乘中间加,并且有相同的数字2.6，所以可以采用乘法的分配律,两边乘中间加,相同的数字往外拉,使计算简便.
即：2.6×37+63×2.6= 2.6×(37+63)= 2.6×100 =2.6。
检查时要重新反复计算3到5遍，先查数字和符号是否抄对了没有，再查运算顺序、最后查计算是否正确。
三、应用题的答题检查技巧
做应用题可以采用分析法分析，用综合法列式解答。考试做题时要采取先易后难的原则，先做自己比较熟悉有把握的题目，再做中等难度的题目，在遇到题目难度较大的题目时，如长时间思考不出，可以转换别的方法去进行思考，实在想不出来可以先放一放，也许在你思考别的题目的时候产生灵感。
检查时要学会将所求问题当成已知条件，通过计算看是否能推算出题中的一个条件。
解答和检查图形题时要特别注意单位名称是否统一，是否需要换算。同样应用题检查也要反复多检查题中数字是否抄写正确?计算是否正确?
四、操作题的答题检查技巧
操作题可能是让你画一个图形，或者量出图形的部分长度，做一些求面积或周长的计算，也可能让你做一个设计等，这些题目一般都是对我们的教材的原型作一些整合，不会太难，所以对这类题目一定要在认真分析，审清题意的基础上再下手去做。
注意画图先用铅笔，确定没有问题后再用中性笔描画。(带齐画图工具：圆规、直尺、三角板)

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  1. CONNECT:[ UseTime:0.000519s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000684s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001952s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000333s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000503s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000603s ]
  8. SELECT * FROM `article` WHERE `id` = 501920 LIMIT 1 [ RunTime:0.006413s ]
  9. UPDATE `article` SET `lasttime` = 1781723138 WHERE `id` = 501920 [ RunTime:0.016292s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000308s ]
  11. SELECT * FROM `article` WHERE `id` < 501920 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000445s ]
  12. SELECT * FROM `article` WHERE `id` > 501920 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000701s ]
  13. SELECT * FROM `article` WHERE `id` < 501920 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000719s ]
  14. SELECT * FROM `article` WHERE `id` < 501920 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.019239s ]
  15. SELECT * FROM `article` WHERE `id` < 501920 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.019632s ]
0.136853s