Предмет: Математика, автор: MaraNovikova

Срочнооо помогитесли дам 50б

Приложения:

Ответы

Автор ответа: IrkaShevko

0

$1) frac{2}{5} + frac{1}{4} = frac{8+5}{20} = frac{13}{20} \ 2) frac{4}{7} + frac{2}{3} = frac{12+14}{21} = frac{26}{21}=1 frac{5}{21} \ 3) frac{3}{11} + frac{1}{2} = frac{6+11}{22} = frac{17}{22} \ 4) frac{2}{5} + frac{3}{8} = frac{16+15}{40} = frac{31}{40} \ 5) frac{3}{7} + frac{4}{5} = frac{15+28}{35} = frac{43}{35} =1 frac{8}{35} \ 6) frac{2}{9} + frac{1}{5} = frac{10+9}{45} = frac{19}{45}$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: zhzhaksigul003

91 Choose the right variant:
I ___ a bank manager.

1. is
2. am
3. are
4. be
5. do

92 Choose the right form of the verb in the Present Continuous Tense:

1. What you are doing?
2. What’s you doing?
3. What are you doing?
4. What are you do?
5. What are you done?

93 Choose the right answer:
How many chairs are there?

1. There are five.
2. There is five.
3. It is five.
4. They are five.
5. Them are five.

94 Choose the right form of the verb in the Past Simple Tense:
Sarah _____ out last night.

1. didn’t went
2. didn’t goes
3. didn’t go
4. no went
5. not go

95 Choose the right variant of the preposition:
Our lessons begin ___ 9 o’clock.

1. in
2. on
3. with
4. at
5. under

96 Choose the right form of the verb:
He ___ got a car.

1. am
2. is
3. are
4. has
5. have

97 Choose the right variant of the preposition:
I get ___ at 8 o’clock.

1. Up
2. On
3. With
4. At
5. Under

98 Choose the right form of the verb:
I ___ got a dog.

1. Am
2. Is
3. Are
4. Has
5. Have

99 Choose the right variant:

1. She’s 21 years old.
2. She ’ve 21 years old
3. She are 21 years old.
4. She have 21 years old
5. She been 21 years old.

100 Choose the right variant of the preposition:
___ 11 o’clock I go __ bed.

1. By, at
2. On, to
3. With, to
4. At, to
5. At, into

101 Choose the right variant:
It’s a very quiet town, especially _____ night.

1. at
2. in
3. on
4. –
5. of
102 Choose the right variant:
A waiter is a person ____ serves you in a café.

1. which
2. who
3. whose
4. where
5. when
103 Choose the right variant:
A ____ been to Africa?
B No, never.

1. Have you ever
2. Did you ever
3. Were you ever
4. Do you ever
5. Does you ever
104 Choose the right variant:
____ time do you get up in the morning?

1. What
2. When
3. How
4. Whose
5. Who
105 Choose the right variant:
My grandfather and grandmother are my ____ .

1. grandparents
2. parents
3. children
4. parentsgrand
5. cousins
106 Choose the right variant of the preposition:
Their wedding is ___ 2nd March.

1. in
2. of
3. on
4. at
5. to
107 Choose the right variant:
Look! The Queen’s flag ___ .

1. fly
2. flies
3. is flying
4. fli
5. are flying
108 Choose the right variant:
Our son always phones ___ every day.

1. we
2. us
3. our
4. she5. I
109 Choose the right variant:
Where ___ he?

1. was
2. were
3. am
4. do
5. does
110 Choose the right variant:
I have never ____ this coat.

1. wear
2. worn
3. wore
4. weared
5. wears

5 лет назад

Предмет: Математика, автор: Аноним

АААА ПОМАГИТЕ ПЖПЖПЖПЖПЖЖПЖРЖПЖПЖПЖПЖПЖПДДПДП А ТО МЕНЯ МАМА УБЪЕТ

5 лет назад

Предмет: Обществознание, автор: ctctctftftftyf

Помогите решить два теста даю 35 баллов

5 лет назад

Предмет: Математика, автор: inebolsin

ну кто может плз помогите

9 лет назад

Предмет: Биология, автор: ПЕРВОООЕСЕНТЯБРЯ

Отметь ✓,что нужно делать,чтобы поддерживать плодородие почвы?
1)Сажать одни и те же растения
2)Поливать ядами,чтобы уничтожить всех обитателей почвы
3)Каждый день подкармливать удобрениями
4)Чередовать посевные культуры,хорошо вскапывать, в меру удобрять и поливать

9 лет назад