∵0≤a≤1,
∴|a|=a,-3≤a-3≤-2,
∴a2+|a-3|=|a|+3-a=a+3-a;
故答案是:a+3-a.
一件商品,成本100元,按20%的利润定价,打九折出售,结果______(填赚或亏)了,赚(或亏)______元.
In the past few years, they ____ million of trees. [ ]
A. planted
B. have planted
C. are planting
D. plant