2. 144/233,377/6 10
3. 10
4.70500020,705000 18,70500022
5, 12,60
6 10a+b
7.34+2a
8.24,7
9, 1/3
10.10cm 20cm
1 1. Small (1+%25 small) = large.
Small =2/( 1/4)
=8
Large = 10
3.3300*20%*60=39600
3300*20%*0.9*40=23760
Total profit =63360 yuan
A: After selling these air conditioners, you can make a profit of 63,360 yuan.