дам 50б 3. Вставить „können" oder „dürfen"
1. ... ich Ihren Namen erfahren? 2. Auf der Post ... du Briefmarken und Postkarten kaufen. 3. Meine Mutter ... leider keinen Kaffee trinken. 5. Das ... nicht jeder. 6. Wer ... diese Sätze ohne Wörterbuch übersetzen? 9. Bei Rot... wir nicht über die Straße gehen.
4. Вставить „müssen" oder „sollen"
l. Die Kinder ... um 18 Uhr zu Hause sein. 2. Ich habe Zahnschmerzen. Ich ... zum Zahnarzt. 3. ... ich hier bleiben? 4. Die Suppe ... noch 10 Minuten kochen. 6. ... wir dir helfen? 7. Was ... ich für dieses Buch geben? 8. Du ... sehr freundlich sein.

1 способ    12-4-3=5 (ч)

1) 12-4=8 (чашки) - осталось в буфете, после того как вынули 4 чашки

2) 8-3=5 (чашек) - осталось в буфете, после того как вынули еще 3 чашки

2 способ    12- (4+3)=5 (ч)

1) 4+3=7 (чашек) - всего вынули из буфета

2) 12-7=5 (чашек) - осталось в буфете

1. вставьте в пропуски артикли, если это необходимо.

1. got a

2. a, a

3. the

4. a, the

5. -, a

6. the, -

2. замените предлог ‘of’ формой притяжательного падежа.

children's songs.

girl's skateboard.

my friend's name.

her relatives' car.

pushkin's poem.

3. переведите словосочетания.

my mum's cake.

his sister's letter.

youngster's name.

those engineers' project.

that woman's children.

4. замените личное местоимение в скобках притяжательным или личным в объектном падеже.

your brother is in moscow.

our son goes to school.

he teaches us english.

her family lives in london.

answer my question, please.

their flat is large.

i meet her very often.

she goes out with him.

5. заполните  пропуски  нужной формой глаголов ’tobe’    или ‘tohave’.

this girl has a good voice.

my cousins are students.

his mum’s cake is tasty.

our flat has 2 rooms.

i am a lawyer.

the children are at home.

this photo is nice.

my parents have a garden.

he has a modern computer.

it is my birthday today.

6. подставьте в пропуски оборот  ‘thereis (are)’.

there is a new computer in the office.

trere aren't any questions to you.

is there a supermarket near hear?

there are a lot of rare animals in the zoo.

are there any posters in your room?

7. напишите предложения в повелительном наклонении.

pass me the salt, please.

don't close the window, please.

tell me about your trip.

don't copy the paper.

call me back in the evening.

8. задайте все типы вопросов к предложениям.

1. this is a monument to pushkin.

is this a monument to pushkin?

where is a monument to pushkin?

who is this monument to?

this is a monument to pushkin, isn't it?

is this a monument to pushkin or to lermontov?

2. her eyes are gray.

are her eyes gray?

what is gray?

what colour are her eyes?

her eyes are gray, aren't they?

are her eyes gray or green?

3. i am a future lawyer.

are you a future lawyer?

who is a future lawyer?

who will be you in future?

you are a future lawyer, aren't you?

are you a future lawyer or writer?

4. our students are going to the conference tomorrow.

are our students going to the conference tomorrow?

who is going to the conference tomorrow?

where are our students going to?

our students are going to the conference tomorrow, aren't they?

are our students going to the conference tomorrow or next month?

9. поставьте предложения 8 в отрицательную форму.

this isn't a monument to pushkin.

her eyes aren't gray.

i am not a future lawyer.

our students aren't going to the conference tomorrow.

s = vt

s=343*10=3430(м) 

100кг-100%

150кг-х%

150*100: 100=150(%)-

ответ: 150%