Matemáticas, pregunta formulada por vargasdafnegonzales, hace 1 mes

ayuda, es para hoy doy coronita​

Adjuntos:

Respuestas a la pregunta

Contestado por baldeonquilcahelen
1

Respuesta:

1) b - c = 5/12

2) a + c = 3/4

3) b - a = 1/6

4) ab = 1/3

5) bc = 1/6

6) ac + b = 19/24

7) 3a - d = 9/10

8) 4a - 2d = 4/5

9) 2b + 3c = 5/4

10) a + 4d = 29/10

11) 2(a + a) = 2

Explicación paso a paso:

a = 1/2; b = 2/3; c = 1/4; d = 3/5

1) b - c = 2/3 - 1/4 = 8/12 - 3/12 = 5/12

2) a + c = 1/2 + 1/4 = 4/8 + 2/8 = 6/8 = 3/4

3) b - a = 2/3 - 1/2 = 4/6 - 3/6 = 1/6

4) ab = 1/2 × 2/3 = 2/6 = 1/3

5) bc = 2/3 × 1/4 = 2/12 = 1/6

6) ac + b = (1/2 × 1/4) + 2/3 = 1/8 + 2/3 = 3/24 + 16/24 = 19/24

7) 3a - d = 3(1/2) - 3/5 = 3/2 - 3/5 = 15/ 10 - 6/10 = 9/10

8) 4a - 2d = 4(1/2) - 2(3/5) = 4/2 - 6/5 = 20/10 - 12/10 = 8/10 = 4/5

9) 2b + 3c = 2(2/3) + 3(1/4) = 4/3 + 3/4 = 16/12 + 9/12 = 25/12 = 5/4

10) a + 4d = 1/2 + 4(3/5) = 1/2 + 12/5 = 5/10 + 24/10 = 29/10

11) 2(a + a) = 2(1/2 + 1/2) = 2

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