150,75,50,37.5,30,( )A. 20 B. 22.5 C.

练习题库2022-08-02  16

问题 150,75,50,37.5,30,( )A. 20B. 22.5C. 25D. 27.5

选项 A. 20
B. 22.5
C. 25
D. 27.5

答案 C

解析 .150*1/2=75 75*2/3=50 50*3/4=37.5 37.5*4/5=30 30*5/6=25
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