Ca(NO3)2 + K2CO3 =; KNO3 + Na2SO4 =; Cu + ZnCl2 =

23. Впиши пропущенные буквы. Отгадай загадки. Запиши отгадки.

Найди значение x, если y = 8: { 5 - x = y, x^2 + 7 = 2y

Сколько единиц в двоичной записи десятичного числа 245?

SPECIAL SCHOOLS The Italia Conti Academy is no ordinary school. It is Britain's oldest theatre arts school. For those who dream of a life in showbusiness, getting accepted at this school is the first step on the ladder to success as an actor, dancer or singer.

Прочитай текст. Исправь ошибки.

По горизонтали 3. Наука, изучающая растения.

II. Complete the names of the animals. III. What time is it? IV. Complete the gaps with the correct word. V. Match the words to form collocations. VI. Write the jobs. VII. Circle the odd one out.

2. Реши задачу. Поезд прошел 270 км за 3 часа...

Fill in the gaps with the correct form of the words in brackets: 1) ..... (charity), 2) ..... (they), 3) ..... (much), 4) ..... (be), 5) ..... (include), 6) ..... (wander), 7) ..... (child), 8) ..... (abseil), 9) ..... (raise).

2. Упрощение: Возведите в степень и упростите: (кор4 из а в 3-й) в 8-й.