Вычислите сторону квадрата если его площадь равна 100см

ПОМОГИТЕ ДОКАЗАТЬ ТОЖДЕСТВО!!

sin(A+B)-sin(A-B)=2cosAsinB

увеличь в 5 раз 23ц 650кг= 2сут 12ч= 8кв.м 20кв.дм=

восстанови полную запясь делением столбиком

1) 8784:12
               732
   

2) 12444:34
                  366
   
3) 30422:82
                   371
   
 востанови краткую запись деления столбиком.

1) 41704:52
                 802
   
2) 336392:56
                    6007  
   

Пожалуйста помогите!!!

Match the words from A and B and complete the sentences

A. heavy, wide, rare, pine, breathaking, snow-capped, deep, loud

B. animal, forest, noise, sight, mountain, lake, variety, rain.

1.We coldnt see much of the scenery because of the heavy rain. 2.Snezka at 1602 m high is a ........ in the Czech Republic. 3.The forests of Poland are home to a ........... of animals including bison, wild boar, and lynx. 4.The birds made such a ......... every morning that we coukdnt sleep. 5.We enjoyed walking through the.......... and looking at the trees. 6. The most.............. of our holiday was the sunset over the waterfall. 7.We didnt swim in the .......... because the water was very cold. 8.The leopard is a very................, so you are lucky if you see one in the wild.