Две осы взвешивают на весах капли росы. Подчеркнуть в двусложных словах буквы,написание которых надо проверить. Подчеркнуть в двусложных словах буквы,написание которых надо проверить.

7 Класс.

№7. представьте в виде многочлена квадрат двучлена:

А) (-9А +4Б) в квадрате

Б) (-11Х-7У) в квадрате

В) (-0,8Х-0,5Б) в квадрате

Г) (-1,1/3 Р +6Q) в квадрате

Д) (0,08А-50Б) в квадрате

Е) (-0,5Х -60У) в квадрате

how did his discovery influence the world?Fill in the gaps with the words from the box in the correct form __________________________________________________________________•Achievement •create •enormous •memder • name after •not discover •receive a degree •recjgnize •succed _________________________________________________ ____________Dmitri Mendeleev is a great Russian scientist of the 19th century. He _____ as a great chemist who_____ the periodic classification of the elements Dmitri Mendeleev was born in Tobolsk in 1834.At school,Dmitri_____ in mathematics,physics,and geography but was not good at languages.In 1855 he graduated from the Pedagogical Institute in St Petersburg with a goid medal for his____.In 1856 , he_____in chemistry. Dmitri Mendeleev's contribution to the world's science was_____. He was the first____the dependence of the qualities of the elements on their atomic weight.He forecast that the gaps in the table of elements would be filled in by elements which______yet.Dmitri Mendeleev was greatly honoured as a _____ of academies in many countries.Element No 101 _____ him. It is called Mendelevium.

Основание пирамиды-треугольник со сторонами 13см,13см и 10см, высота пирамиды равна 9см. Найти объем пирамиды.

Сочинение ,, Великая Отечественная Война в литературе" помогите плиз срочно