1. (2023二下·渝中期末) 直接写出得数。                                                                                                             

12÷4＝	4×8＝	39+29＝	45÷5＝	2×2×6＝
49÷7＝	0÷2＝	54﹣47＝	40÷8＝	56÷7÷2＝