(а-4)*(а+2)+4=(а+1)*(а-3)-1 Докажите тождество

неопрелённая форма какого глагола образова правельно? 1) слушает - слышать 2) сдержал - держать 3) понимали- понять 4) закричит - закричать

Как 5,7 разделить на 0,19 ? :DDD

(Ответ не нужен)

V. Read the story and choose the right form of the verbs: 1. I (have been / was) to so many interesting places in Britain! 2. The Tower of London, for example. They (build / built) it 900 years ago. 3. Look at the picture. My father (is taking / takes) part in the famous marathon in London. 4. It is not my first trip to Britain. I (visited / will visit) London and Edinburg two years ago. 5. My parents and I (came / come) to see the festival in Edinburg. They (do / will do) it nearly every year. 6. We (stayed / stay) in London only for five days. But we (are / were) going to Britain for a longer trip next summer. 7. My brother (has gone / went) to Britain last year. He (studies / is studying) biology at the University of Oxford. 8. My parents and I (visit / visited) him last year. I (have liked / liked) Oxford very much.