Точки М,N,К,Р не лежат на одной прямой, и (вектор) КМ= (вектору) РN. Докажите, что КМNР- пароллелограмм.

помогите, срочно надо

1)    Your relatives on your wife's side are: Your wife's sister is your ... , and her brother is your ... , your parents will refer to your wife as their ... while your brothers and sisters will refer to her as ... . Your wife's parents will speak of you as their ... .

2)    Your brother's and sister's sons and daughters are your ... and ... .

3)    Your mother's and father's brothers and sisters are your ... . The children
of your uncles and aunts are your ... .

4)    Your mother's and father's parents are your ... and the latter will refer to
you as their ... .

5)    Someone's second wife will speak of her husband's children as her ..., and the latter will speak of her as their ... . Someone's second husband will also refer to his wife's children as his ... while the latter will speak of him as their ... .