1)Опыт. Проведите качественные реакции на альдегид. 2)Приведите уравнения реакций, указывающих на особые свойства муравьиной кислоты. 3)CH4 → CH3Br → C2H6 → C2H4

Сочинение "Как я однажды..." помогите пожалуйста 5 класс

Просклоняйте: мой бывший знакомый. Сочинение характеристика друга.

open the brackets. put the verbs into the present simple the present continuous, the past simple, the present perfect and the Future simple 1 a) Howard and Philip usually (to go) dusk-shooting at the end of August b) Howard and Philip usually (to go) dusk-shooting at the moment c) Howard and Philip usually (to go) dusk-shooting at the other day d) Howard and Philip usually (to go) dusk-shooting this morning e) Howard and Philip usually (to go) dusk-shooting tomorrow 2. a) Lorry sometimes (to cook) breakfast for her family in summer b) Lorry (to cook) breakfast for her family in the kitchen an hour ago c) Lorry (to cook) breakfast for her family in the kitchen now d) Lorry (to cook) breakfast for her family in twenty minutes e) Lorry already (to cook) breakfast for her family 3. a) i often (to fish) by the river in the country in summer b) i (to fish) by the river this evening c)i (to fish) by the river tomorrov morning d)i (to fish) by the river at the moment e)i (to fish) by the river the day before yesterday

У швейному цеху двом бригадам дано завдання пошити по 60 костюмів.Перша бригада виконала це завдання за 3 дні,а друга-за 4 дні.За скільки днів вони зможуть пошити 420  таких костюмів,якщо працюватимуть разом?Допоможіть будь ласка,я вас благаю.Дякую.