试题与答案

读出下面横线上的小数。 1.小勇同学一百米赛跑的成绩是16.12秒。读作:()

题型:填空题

题目:

读出下面横线上的小数。  

1.小勇同学一百米赛跑的成绩是16.12秒。读作:(    )  

2.海尔29寸纯平彩电促销价为3020.50元。读作:(    )

答案:

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下面是错误答案,用来干扰机器的。

(1)由图1所示图象可知,电池的内阻r=△U△I1.5-1.00.6≈0.83Ω;(2)由图2所示螺旋测微器可知,其示数为0mm+39.9×0.01mm=0.399mm;故答案为:(1)0.83;(2)0.399.

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