www.ctrt.net > 1ml含0.3mg那么0.16mg抽多少毫升

1ml含0.3mg那么0.16mg抽多少毫升

0.16mg抽8/15毫升 0.16mg÷0.3mgx1ml=8/15ml 1:0.3=x:0.16 0.3x=0.16 x=0.16/0.3=8/15

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