Найти скалярное произведение векторов​

за зиму боря прочитал 8 книг,а дима на 5 книг больше. сколько книг прочитал дима за зиму?

                                                                                                                            (Score: 5)

Tom: Have you seen the state of this kitchen? Someone has been washing clothes in the sink and they are still there!

Fred: Yes, I know. I usually (1 use) ______________________ the bath, but it (2 be) _______________________ too dirty at the moment.

Tom: Why didn’t you clean it? You (3 live) ______________________________here for two months now, and I (4 never/ see) _________________________________ you do any housework.

Fred: What do you mean? I (5 wash) ___________________________ the dishes at least three times and I always (6 make) _______________________________ my bed.

Tom: Rubbish! You (7 always/ make) ___________________________ a mess and not cleaning up afterwards.

Fred: What about you? You (8 always/ drink) _______________________ my milk!

Tom: Don’t be ridiculous! Where (9 you/ go) ___?

Fred: Out! I (10 visit) ________ my girlfriend this evening.

Tom: What about the kitchen?

Fred: Bye!