01.04.2022

Найдите значение выражения: 1) |9,6|-|-4,7|; 3) |7/15|+|-5/18|; 2) |-15,2|-|-9,4|; 4) |-72|:|-0,9|.

Выбрать другой вопрос

Смотреть ответ

Перейти к выбору ответа

Математика

Вопрос школьника по предмету Математика

Найдите значение выражения: 1) |9,6|-|-4,7|; 3) |7/15|+|-5/18|; 2) |-15,2|-|-9,4|; 4) |-72|:|-0,9|.

Ответ учителя по предмету Математика

1)9.6-4.7=4.9 2) 15.2-9.4=5.8 3) 7/15+5/18=(42+25)/90=67/90 4)72/0.9=2.222

Добавить комментарий Отменить ответ

Похожие вопросы от пользователей

Определите степень окисления: фосфора в фосфате кальция
тірі организмдердің қасиеттері?
Вычислите тепловой эффект реакции горения этилена С2Н4(г), учитывая, что ее продуктами являются СО2(г) и Н2О(ж).
Расставь скобки так, чтобы равенства стали верными; 16-6+5+9=14, 52-2-16+9=15.
Cоставьте алгоритм, блок-схему и программу вычисления суммы квадратов первых семи нечётных натуральных чисел. Pascal abc.net
Люди помогите!Есть ли приставка «вы»??
300202:574 помогите и на пишите как решить столбиком
1.Put the verb “to be” : She … in the fifth form.A) are. B) is C) am D) were E) to 2. Put the verb “to be”: These cabins…..small.A) are. B) is. C) am. D) were. E) to3. Put the verb “to be”: He …..having his dinner now.A) are B) is C) am D) were E) to4. Put the verb “to be”: Who…..on duty today?A) are. B) is. C) am. D) were. E) to5. Put the verb “to be”: There…..no pilot book on the table.A) are B) is C) am D) were E) to6. Now I … in the club. And what about you? What are you doing?A) am dancing B) is dancing C) are danced D) dancing E) dance 7. Choose the right variant: In Britain compulsory primary education begins at the age of …a) 5 b) 6 c) 7 d) 8 e) 98. Listen! Somebody … to break into our house! Call the police immediately.A) is trying B) are trying C) tries D) tried E) try 9. Look! All the teachers … at him. He may be expelled from school in a little while (скоро).A) is shouting B) am shouting C) shout D) are shouting E) will shout 10. More and more animals … extinct. We need to take care of nature.A) is becoming B) are becoming C) become D) will become E) am become11. What city is the capital of the U.K?a) Birmingham b) America c) Manchester d) London e) Liverpool 12.Find the correct time: 8:45A) It is quarter to nine B) It a quarter to nine C) It is a quarter nine D) It is a quarter nine E) It is a quarter to nine 13.Find the right variant:1139A) one thousand one hundred thirty nine B) one thousand hundred and thirty nine C) one thousand one and thirty nine D) thousand one hundred and thirty nine E) one thousand one hundred and thirty nine 14. Write the correct pronoun: I taught … to play togyz-kumalack.A) I B) Me C) Myself D) Myselves E) My15. Our two … are crying all the time.A)babies B)babys C)babyes D)baby E) are baby16. Leaves usually … trees in autumn. A)leaf B)leave C) leafs D)leaves E)in leafs 17. … in our house are so annoying. We definitely need a cat.A)Mouses B)Mices C)Mice D)Mousees E) Mouse18. Choose the correct preposition: She lives ___ her parents.a) with b) to c) on d)for e) of19. What is the population of Great Britain?a) over 56 million b) over 57 million c) over 58 million d) over 60 million e) over 59 million20.Choose the right variant of degrees of comparisonA) important- more important- most important B) important- most important- more importantC) important- more important- the important D) important- more important- the importantsE) important- more important- the most important21. Write the plural form of the words: Boy-friendA) Boy-friends. C) Boy-friendes. B) Boys-friends. D) Boys-friend. E)boyes-friendes22. Do you have … brother or … sister?A) the / the B) a / a C) a / the D) — / the E) —23. When is Christmas celebrated?a) on the 25th of December b) on the 13th of September c) on the 22nd of March d) on the 14th of February e) on the 30th of October24. The territory of the United Kingdoma) 234000 b) 244000 c) 254000 d) 264000 e) 27400025. Translate: Жаңалық жоқ болса-сол жақсы жаңалық.A) No new іs good new. B) Everythіng іs good іn іts season.C) East or West, home іs best.D) Custom іs a second nature. E) No news іs good news.26. I write many lettersA) Present Continuous B) Future SimpleC) Present Simple D)Future Continuous E) Past Simple 27. Дұрысжауаптытаңдаңыз: How many states are there in America? A) 57 B) 50 C) 25 D) 53 E) 5428. Prince Charles is Queen Elizabeth’s … .A) Husband. B) Son. C) Brother. D) Father. E) grand-dad29. The territory of the United Kingdoma) 234000 b) 244000 c) 254000 d) 264000 e) 27400030. fifty two point three fiveA) 52.30 B) 52.25 C) 52.35 D) 5.55 E) 52.5пожалуйста помогите
кроссворд на тему азотсодержащие соединения(20 вопросов)
За дастарханом собралась дружная семья. Взрослых 4 человека, а детей -в 2 раза меньше. Сколько всего человек собралось за дастарханом?