story question

1. Marni has 12 apples rizky has 45 apples.                                                                                                    how many apples now?
2. Dony has 23 kites, Reza has 61 kites.                                                                                                         how many kites now? 
3. 24 =                 +                                                                                                                                              43 =                 +                        -                                                                                                             .....=..............    +   .................                                                                                                                         .....=...............
4. mother buy 78 cassavas, father eat   45 cassavas.                                                                                        how many cassavas now?   
5. Riki has 57 oranges. sister eat 19 oranges.                                                                                            how many oranges now?