2 ,-2 , 6 ,-10 ,22,( )A.-36 B. -40 C.

练习题库2022-08-02  4

问题 2 ,-2 , 6 ,-10 ,22,( )A.-36B. -40C. -42D. -48

选项 A.-36
B. -40
C. -42
D. -48

答案 C

解析 2,-2,6,-10,22,(-42);规律是:A*(-2)+2=B
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