1. (2022五上·江汉期末)  计算下面各题。

3.5×2.3＋1.46                        

2.5×64×12.5

7.95÷0.25÷40                        

2.5×2.7＋7.3×2.5

201×0.15－0.15                        

43.5÷[0.01÷（2.1－2.08）]