1. (2023·龙亭) 直接写出得数                                                                                         

10﹣0.78＝	7.5×20%＝	×1.6＝	2.5×4+2.5×4＝
0.52＝	0.8÷0.01＝	1﹣1÷9＝	24×25%＝