Предмет: Математика, автор: nikitinarenatka

Решите уравнения пожалуйстя:
а)×+3×-6,1=3,9
б)(×-1,3):7,8=1,4
в)(2×-1,3):7,8=1,4

Ответы

Автор ответа: ptanyavamp
1
а)4х-6,1=3,9
4х=10
х=2,5
б)х-1,3=1,4*7,8
х-1,3=10,92
х=12,22
в)2х-1,3=1,4*7,8
2х-1,3=10,92
2х=12,22
х=6,11
Автор ответа: feschenko
1
а)х+3х-6,1=3,9
4х=3,9+6,1
4х=10
х=2,5
Интересные вопросы
Предмет: Английский язык, автор: SWAGMinYoongi1993
Вставить правильную степень прилагательного! СРОЧНО!!!!!1. I am ___________ (tall) my sister. 2. My mum thinks that cats are ___________ (good) pets than dogs. 3. Cycling is one of ___________ (dangerous) sports. 4. I want to have ___________ (big) car. 5. A blue whale is ___________ (heavy) twenty-five elephants. 6. You look ___________ (thin) last month. Have you lost weight? 7. Bicycles are ___________ (slow) cars. 8. She is ___________ (nice) person I know. 9. What is ___________ (good) film you´ve seen? 10. Computers are ___________ (cheap) mobile phones. 11. Is your brother ___________ (tall) you? 12. I think Spanish is ___________ (easy) Japanese. 13. Our dog is ___________ (nice) your dog. 14. Glass bottles are ___________ (good) plastic bottles. 15. I think Rafael Nadal is ___________(good) tennis player in Spain. 16. Sharks are ___________ (dangerous) other fish. 17. This situation is ___________ (serious) the last one. 18. He is ___________ (smart) his brother. 19. My brother wanted ___________ (expensive) trainers in the shop. 20. Today is ___________ (good) day of the year. 21. Daniela is ___________ (funny) me. 22. My house is ___________ (larger). 23. Mount Everest is ___________ (high) mountain in the world. 24. The sea is ___________ (large) a lake. 25. My job is ___________ (easy) yours. 26. London is ___________ (big) city in England. 27. This car is ___________ (comfortable) yours. 28. He is ___________ (rich) man in town. 29. I am ___________ (strong) you. 30. A baby blue whale gets ___________ (big) a great white shark.
Предмет: Русский язык, автор: 1232946