1. (2022四下·浙江期末) 口算                                                                                                     

2.7+3.6＝	1﹣0.91＝	0.3÷10＝	0.52×1000＝	4.005×100＝
16.3÷100＝	0÷6+8＝	15.6+5＝	12.7÷100×1000＝	100﹣100÷5＝