Раскройте скобки и приведите подобные слагаемые: а) 2а-(2,4-а)-(5а-4,7) б) -3,3(2/3х+1)-3(1,1/3-1,1/6х)

Раскройте скобки и приведите подобные слагаемые: а) 2а-(2,4-а)-(5а-4,7) б) -3,3(2/3х+1)-3(1,1/3-1,1/6х)
- Предмет:
  Математика
- Автор:
  indiasparks
- 6 лет назад

Ответы 1

получается а) 2а-2,4+а-5а+ 4,7 = складываем числа с буквой а ну или же так называемые подобные. получается. 3а-2,4-5а +4,7= -2а-2,4+4,7= далее складываем числа без буквы-2а+-7,1. все потому что букву с числом и просто число нельзя складывать или умножатьб) все точно так же-3,3*2/3+1-3*1,1/3-1,1/6х= -1 1/10-1,1/6
- Автор:
  schultzpetty
- 6 лет назад
- 0
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Раскройте скобки и приведите подобные слагаемые: а) 2а-(2,4-а)-(5а-4,7) б) -3,3(2/3х+1)-3(1,1/3-1,1/6х)

Ответы 1

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