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题目:如图(1)所示,电阻 R_1=2欧,某同学在实验中记录了三只电表的读数,但不慎漏记单位,记下的一组数据是1.5、2.5和3.请帮助
Topic: As shown in Figure (1), the resistance R_1 = 2 ohms. A student recorded the readings of three meters in the experiment, but accidentally missed the unit. The set of data recorded is 1.5, 2.5, and 3. help