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问题: 0.3,3,2,20,0.03,30,0.005,( )?

A,5 B,50 C,0.5 D,500

请写出详细解答过程和步骤,谢谢!

解答:

A,5

0.3,3呈10倍递增
2,20呈10倍递增
0.03,30呈1000倍递增
0.005呈1000倍递增应当是5