640:(25-х)=40 2700÷(х-12)=90 как решить эти уравнения

640:(25-х)=40
2700÷(х-12)=90 как решить эти уравнения
- Предмет:
  Математика
- Автор:
  dominiquevekz
- 6 лет назад

Ответы 2

640 : (25 - х) = 4025 - х = 640 : 4025 - х = 16х = 25 - 16х = 9.Ответ: 92700 : (х - 12) = 90х - 12 = 2700 : 90х - 12 = 30х = 30 + 12х = 42.Ответ: 42
- Автор:
  christinaeado
- 6 лет назад
- 0
640:(25-х)=4025-х=640/40=16х=25-16х=9Ответ: х=92700÷(х-12)=90х-12=2700÷90=30х=30+12х=42Ответ: х=42
- Автор:
  bubblegumt9iu
- 6 лет назад
- 0
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640:(25-х)=40 2700÷(х-12)=90 как решить эти уравнения

Ответы 2

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640:(25-х)=40
2700÷(х-12)=90 как решить эти уравнения