18,20,16,24,8,( )A.40 B.36 C.28 D.32

练习题库2022-08-02  5

问题 18,20,16,24,8,( )A.40B.36C.28D.32

选项 A.40
B.36
C.28
D.32

答案 A

解析 作差,2 -4 8 -16 32,答案8+32=40
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