In fifth grade, the next book got straight A's in mathematics.
10/6 kg.
1.5 kg cucumber from 2.7 yuan. To make up for 3 yuan, you need to buy 0.3 piece of cucumber from Qian Qi. Per kg 1.8 yuan, 0.3 yuan can buy 1/6 kg cucumber, and the total of 2.7 yuan before is: