решите примеры 5х-4.2=4х-3 х+5.16=7.22 х*0.4=4.88 х/0.045=20 - №17762283

решите примеры 5х-4.2=4х-3 х+5.16=7.22 х*0.4=4.88 х/0.045=20
- Предмет:
  Математика
- Автор:
  arelyhodge
- 6 лет назад

Ответы 1

1)5x-4.2=4x-35x-4x=3+4.2x=7.2Ответ: х=7.22) х+5.16=7.22х=2.06ответ: х=2.063)х*0.4=4.880.4х=4.88х=4.88:0.4х=12.2ответ х=12.2
- Автор:
  julius
- 6 лет назад
- 0
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