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alevel试卷 2014年Alevel 数学试卷解析(精排版)
alevel试卷 2014年Alevel 数学试卷解析(精排版)
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EDEXCEL GCE MATHEMATICS General Instructions for Marking
1.The total number of marks for the paper is 75.
2.The Edexcel Mathematics mark schemes use the following types of marks:????
M marks: method marks are awarded for ?knowing a method and attempting to apply it?,unless otherwise indicated.
A marks: Accuracy marks can only be awarded if the relevant method (M) marks havebeen earned.
B marks are unconditional accuracy marks (independent of M marks)Marks should not be subdivided.
3.Abbreviations
These are some of the traditional marking abbreviations that will appear in the mark schemes.
???????????????
bod – benefit of doubt
cso - correct solution only. There must be no errors in this part of the question toobtain this mark
isw – ignore subsequent workingawrt – answers which round toSC: special case
oe – or equivalent (and appropriate)dep – dependentindep – independentdp decimal places
figuressf significant
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