биссектриса угла С параллелограмма АВСД пересекают сторону АД в точке О и продолжение стороны АВ в точке Е. известно что АО так относится к ОД как 2 к 3 и АО равно 4 см. найдите периметр параллелограмма

Определите тип условного предложения и раскройте скобки: If I (to be) you, I (not to say) what you said yesterday. If Jane (to know) that Tim didn’t have much money at him, she (not to allow) him to pick up the tab. You are so lazy, my friend! If you (not to work) hard, you (to fail) at the exams in June. “If she (to wait) for somebody, she (not to wear) the bathrobe”, said the policeman about the murdered woman. Calm down! If you (not to be) so excited, it (to be) easier for us to help you. Look, if you (to stop) eating cakes and sweets when the doctor told you, you (to have) less problems with your weight and health now. Ben (to enjoy) the main course if he (not to eat) all the appetizers before it was served. If you (not to be) tired, we (can) go to the wine bar, but you look exhausted so we are going home. If there (to be) a fixed price menu, we (to have) to eat what they offer. Many years ago, in his childhood if Ken (to see) a platter of sweets, he (not to stop) eating till there was nothing left.

kobeitkiwke jikteniz : a²b-a-ab²+b-2ab+2

В каждом празднике живет СВОЕ СЛОВО!

например 9 мая День Победы-Вечная память героям

а 1января Новый год-?

7 января Рождество-?

8 марта-?

23 февраля-?

вычислите площадь треугольника ABC,если AC=3см, BC=4см, C=60