б) 2 3/4 : (1 1/2 - 2/5) + ( 3/4 + 5/6 ) : 3 1/6; Ответы: б) = 3 , г) = 10.г) (3 1/2 : 4 2/3 + 4 2/3 : 3 1/2 ) ·4 - Дата: 10.01.2020, Автор: nikkivewy

б) 2 3/4 : (1 1/2 - 2/5) + ( 3/4 + 5/6 ) : 3 1/6; Ответы: б) = 3 , г) = 10.
г) (3 1/2 : 4 2/3 + 4 2/3 : 3 1/2 ) ·4 4/5;
/ - дробная черта ( типо 3/4 = 3) Помогите плиз
4
- Предмет:
  Математика
- Автор:
  nikkivewy
- 5 лет назад

Ответы 2

См. в приложении.-----------------------------
- Автор:
  butterballpayne
- 5 лет назад
- 0
б)11/4:(3/2-2/5)+19/12:19/6=11/4:11/10+19/12*6/19=11/4*10/11+1/2=1/2*5+1/2=5/2+1/2=3Г)(7/2:14/3+14/3:7/2)*24/5=(7/2*3/14+14/3*2/7)*24/5=(1/2*3/2+2/3*2)*24/5=(3/4+4/3)*24/5=25/12*24/5=5*2=10
- Автор:
  colton
- 5 лет назад
- 0
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б) 2 3/4 : (1 1/2 - 2/5) + ( 3/4 + 5/6 ) : 3 1/6; Ответы: б) = 3 , г) = 10.г) (3 1/2 : 4 2/3 + 4 2/3 : 3 1/2 ) ·4 4/5; / - дробная черта ( типо 3/4 = 3) Помогите плиз 4

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б) 2 3/4 : (1 1/2 - 2/5) + ( 3/4 + 5/6 ) : 3 1/6; Ответы: б) = 3 , г) = 10.
г) (3 1/2 : 4 2/3 + 4 2/3 : 3 1/2 ) ·4 4/5;
/ - дробная черта ( типо 3/4 = 3) Помогите плиз
4