二年级下册表内除法北师大.ppt

敬仲教委       孙崇斌除法的意义6÷3                   12÷3                        15÷3                 18÷3　　  24÷4                 36÷642÷6                 49÷7　                        56÷8                 63÷9复习有6个梨平均分给3个小朋友,平均每人几个?有20个人,每4人一组,可以分成几组?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            做一做7×4＝                   8×2＝                     9×6＝28÷4＝                 16÷2 ＝                  54÷6＝28÷7＝                 16÷8＝                   54÷9＝                                                                                                                                                                    。