решить уравнение:

 

х(х+1)(х+2)(х+3)=120

Употреби глагол в нужном времени. 1)There (to be) a bookshelf with dictionaries in the classroom. 2)Next year I (to have) four lessons og English every week. 3)Yesterday Hobbit (to go) shopping and he (to buy) a nice pen. 4)... you (to answer)the questions at the last lesson? - No,I... 5)My little sister (to go) to school in two years. ПОМОГИТЕ,Я ВАС ПРОШУ!!!!! СЕГОДНЯ!!!!

Найдите площадь круга,вписаного в треугольник со сторонами 18см,24см,30см.