Предмет: Математика, автор: Lalyxa

в классе 12 мальчиков.это 1/2часть всего класса.Сколько детей в классе???                                                                                                                          К празднику купили 30 пирожных.из них 1/3часть составляют безе,а остальные эклеры.сколько эклеров купили к празднику?

Ответы

Автор ответа: badmarks
0

1)12·2=24 -всего детей в классе

.........................

1) 30:3·1=10-безе

2)30-10=20-эклеры

Интересные вопросы
Предмет: Русский язык, автор: snezhana30629
Предмет: Английский язык, автор: lifasyt
My name's Jack. I'm nineteen years old. I come from Manchester but I live in London. I'm a student and I go to London University. I have two brothers and a sister. I love football! I play every weekend. *
1 балл
8
9
4
Complete each question with the correct word: 'do' or 'does'.
1._____ you live in a house or a flat? B: I live in a flat in London, near my college. *
1 балл
Do
Does
Am I
A: _______ he go to the same college as you? B: No, he's a bit older than me. He's got a job. *
1 балл
Do
Does
Is he
Put the time adverbs in the correct groups. *
14 баллов
When ? How often ? How long ?
for a month
for a month•
tomorrow•
during the summer•
five minutes ago
eight hours•
all night
next year•
• from March to May
•since last year•
twice a week•
often•
occasionally•
in 1870•
for a month
for a month•
tomorrow•
during the summer•
five minutes ago
eight hours•
all night
next year•
• from March to May
•since last year•
twice a week•
often•
occasionally•
in 1870•
READING Task 1. Read the text below and complete the task. The typical Monday of Ann usually starts early in the morning. She wakes up at 7 o’clock. First she goes to the bathroom and washes her face. Then she has breakfast and gets dressed. Her classes start at 8.15 (a quarter past eight). She always walks to school because it is just opposite her house. And it takes her 3 minutes to get to school. She’s never late for school. She often has 5 or 6 lessons on Mondays. Her favourite subject on this day is History. After the fourth lesson her friends and she go to the canteen to have lunch. They sometimes go out with friends after school. She usually comes home at about 3 o’clock in the afternoon. She tries to finish her homework before her parents come from work. Then she helps them around the house and they have dinner at about 7 p.m. She often watches TV or reads books in her free time. At 9 o’clock in the evening she has a shower and goes to bed. 1. Ann gets up at 7.30 o’clock on Mondays.
Read again and write (T) for True or (F) for False sentences.
1. Ann gets up at 7.30 o’clock on Mondays. *
1 балл
true
false
2. Ann’s classes start at a quarter to eight. *
1 балл
True
False
3. Her school is situated near her house. *
1 балл
True
False
4. She is always late for school. *
1 балл
True
False
5. She comes home after school before her parents. *
1 балл
True
False