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  2. A.-1/2dx-dy B.-dx-dy C.1/2dx+dy D.dx+

A.-1/2dx-dy B.-dx-dy C.1/2dx+dy D.dx+

考试题库2022-08-02  53

问题 A.-1/2dx-dyB.-dx-dyC.1/2dx+dyD.dx+dyE.-1/3dx-2/3dy

选项 A.-1/2dx-dy
B.-dx-dy
C.1/2dx+dy
D.dx+dy
E.-1/3dx-2/3dy

答案 E

解析
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本试题收录于: 396经济类联考综合题库研究生入学分类

396经济类联考综合

研究生入学

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