Предмет: Математика, автор: жас23

Найдите значение выражения а+в,если:

Приложения:

Ответы

Автор ответа: masa101oxwxl2
0
1) a+b, если a=6 , b=-15
6+(-15)=-9
2) a+b, если a=7.6 , b=-5,3
7.6+(-5.3)=2.3
3) a+b, если a= -5/7 , b=2/7
-5/7+2/7 = -3/7
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: История, автор: rebekkavilson
ПОМОГИТЕ ПОЖАЛУЙСТА. ОЧЕНЬ НАДО.​
5 лет назад
Предмет: Английский язык, автор: assl5
Помогите пожалуйста.


Underline the correct word or phrase.
Example:​Most of my friends has / have / are have cars.
1​Why you’re using / are you using / you using my iPod?
2​Mike and Leila no are working / aren’t working / not working today.
3​Listen! Someone she’s playing / playing / is playing the piano.
4​I don’t know / doesn’t know / not know Keith very well.
5​Where works Sylvia / Sylvia works / does Sylvia work?
6​Colette reads / read / does read the newspaper every day.

6
3​Put the words in the correct order.
Example:​doing Paul is now ?
What is Paul doing now?
1​ wearing why you are trainers ?
​_____________________________________________
2​school which to Grace go does ?
​_____________________________________________
3​exercise you any do kind do of ?
​_____________________________________________
4​university what studying are you at ?
​_____________________________________________
5​coffee many drink how of did cups you?
​_____________________________________________
6​instruments can any you musical play ?
​______________________________________________


6

Grammar total

20
VOCABULARY
4​Complete the sentences with the correct word.
Example:​Rebecca has long straight hair.
curly long big
1​Janette loves meeting new people. She’s very __________.
​hard-working clever extrovert
2​I’m __________ height and quite slim.
​tall short medium
3​Neil is __________. He doesn’t have any hair.
​fair bald blond
4​Tony is __________ because he doesn’t do any exercise.
​slim thin overweight
5​My sister’s really __________. She’s nice to everybody.
​mean friendly funny
6​Flavio’s really __________. He always makes me laugh.
​funny hard-working serious
7​You were very __________. Why didn’t you say anything?
​quiet talkative friendly
8​Tessa’s very __________. She never does any work!
​generous hard-working lazy


8
5​Match the words in the box with the definitions. There are five words you don’t need.
boots a bracelet a cap a coat gloves tights a ring sandals a scarf a suit a T-shirt a tracksuit
Example:​You wear them on your feet in winter. boots
1​A top you wear in summer. __________
2​You wear them on your hands when it’s cold. __________
3​You wear it over your clothes when you go out. __________
4​Jewellery for your finger. __________
5​Footwear for summer. __________
6​A jacket and a pair of trousers or a skirt. __________


6
6​Underline the correct preposition.
Example: My desk is the one between / on the left / near the door.
1​Who’s standing behind / on the right / under Jennie in the photo?
2​Who do you sit next to / under / on in your English class?
3​There’s a TV on / in front / between the chair and the window.
4​This is a photo of my family. That’s my sister to / on / in the middle.
5​My daughter has posters between / on / in the walls of her bedroom.
6​There’s a big garden in the middle / in front / behind of our house.


6

Vocabulary total

20
PRONUNCIATION
7​Underline the stressed syllable.
Example:​mous|tache
1​o|ver|weight
2​car|di|gan
3​un|kind
4​ge|ne|rous
5​a|cce|sso|ry


5
8​Match the words with the same sound.
people actor boots trousers university friend
Example:​mean people
1​laughs​__________
2​belt​__________
3​wears​__________
4​address​__________
5​hard-working​__________
5 лет назад
Предмет: Математика, автор: georg1zabolotskikh
4 пример срочно помогите
5 лет назад
Предмет: Математика, автор: ольга960103
Найдите объём и Sп.п. прямоугольного параллелепипеда, с измерениями 3,4,5см. Объём выразите в кубических сантиметрах
9 лет назад
Предмет: Математика, автор: поля309
Чебурашка и Крокодил Гена идут навстречу друг другу сейчас между ними 1 километр 950 метров через сколько минут они встретятся если Чебурашка идет со скоростью 70 метров в минуту Крокодил Гена со скоростью 60 метров в минуту
9 лет назад