1. (2023四下·南海期末) 直接写出得数。                                                                                               

2.3+0.8＝	5﹣3.9＝	2.58﹣0.5＝	38×0+62＝
3.7×1000＝	125÷100＝	0.28+0.2＝	8×5÷8×5＝