Предмет: Математика, автор: Сhocolate0cookies

Помгите решить!Я прошу вас,пожалуйста,если можете,напишите с объяснением.
Задание,Решите уравнение:
z + 0,4 = - 1, 2/3 (минус одна целая две третих)

Ответы

Автор ответа: Аноним
1
z + 0.4 = - 1  2/3
z = - 1  2/3 - 0.4
z = - ( 1 2/3 + 2/5)
z = - ( 1 10/15 + 6/15)
z = - (1  16/15)
z = - (2  1/15)
z = - 2  1/15 
Интересные вопросы
Предмет: Математика, автор: алина2006865
Предмет: Математика, автор: leraperos26
Предмет: Английский язык, автор: nnondar
1. Составьте предложения из отдельных слов: 1. speak, every, day, English, I. _____________________________________________ 2. Peter, in, the, USA, last, year, was._____________________________________________ 3. They, letters, write, month, every. _____________________________________________ 4. mother, does, His, chess, not, play. _____________________________________________ 5. eat, he, many, Why, sweets, did, yesterday? ____________________________________ 6. usually, play, Children, football. _____________________________________________ 7. that, you, did, watch, When, film? _____________________________________________ 8. Peter, tomorrow, not, get, 6 o’clock, up, will, at. _________________________________ 9. does, milk, every, Mike, drink, morning, Why? ___________________________________ 10. parents, drink, My, do, coffee, not.
2. Преобразуйте данные предложения в вопросительные и отрицательные.

1. Many boys like to play hockey.

_____________________________________________________________________________

2. His little sister reads very much.

_____________________________________________________________________________

3. The students always know a lot about Great Britain.

_____________________________________________________________________________

4. My mother prefers black.

_____________________________________________________________________________

5. This professor lectures on History.
3. Вставьте по смыслу have или has.

I ____ many friends at school.

Ann ____ a lot of books at home.

Pete and Kate ____ a lot of English books.

My friends and I ____ much milk in the jar.

Tom’s uncle ____ three children.

Their aunt ____ good, clever daughters.

Her parents _____ much work to do.