题妈妈带小华去超市,要买2 kg糖果,碰巧超市的电子秤坏了,于是售货员取来一架旧天平和一只1 kg的砝码,但这架天平的两臂长不相等,售货员与小华的妈妈商议后,一致同意用下面的方法称量:售货员将1 kg的砝码放在左盘,再取糖果放在右盘,使两边平衡后,把糖果取给小华,然后又将砝码放在右盘,再取糖 The mother took Xiaohua to the supermarket and bought 2 kg of candy. It happened that the electronic scale in the supermarket was broken. So the salesperson brought in an old balance and a 1 kg weight, but the two arms of the scale were not equal in length. After negotiating with Xiaohua’s mother, they agreed to use the following method to weigh: The salesman puts a 1 kg weight on the left plate, and then takes candy on the right plate. After balancing the two sides, he takes the candy to Xiaohua, and then Put the weight on the right side and take sugar