设2=a,3=b,用含a,b的式了表示0.54,则下列表示正确的是( )_刷题宝

题干

设2=a,3=b,用含a,b的式了表示0.54,则下列表示正确的是( )

A：0.3ab

B：3ab

C：0.1ab²

D：0.1a²b

上一题下一题 0.0难度选择题更新时间:2013-05-06 12:16:07

答案(点此获取答案解析）

A

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