- Ejercicio 13
problemas se debe reemplazar cada letra por su respectivo valor numérico
y realizar las operaciones correspondientes
, n=
,p=
, x=0
-
( a + b
)
c – d = ( 1 + 2
)
3 – 4 = 3 (
3
)
– 4 = 9 – 4 = 5 -
( a + b
)
( b – a
)
= ( 1 + 2
)
( 2 – 1
)
= 3 (
1
)
= 3 -
( b – m
)
( c – n
)
+ 4
a
2
=
( 2 –
1
2
)
( 3 –
2
3
)
+ 4 ( 1
)
2
=
(
4 – 1
2
)
(
9 – 2
3
)
+ 4
=
3
2
(
7
3
)
+ 4
=
7
2
+ 4 =
7 + 8
2
=
15
2
↔ 7
1
2
-
( 2 m + 3 n
)
( 4 p +
b
2
) =
(
2
1
2
+
3
2
3
)
(
4
1
4
+
2
2
)
=
( 1 + 2
)
( 1 + 4
)
=
3 (
5
)
=
15
-
( 4 m + 8 p
)
(
a
2
+
b
2
)
( 6 n – d
) =
(
1
2
+
1
4
)
(
1
2
+
2
2
)
(
2
3
– 4
)
=
=
0
-
( c – b
)
( d – c
)
( b – a
)
( m – p
) =
( 3 – 2
)
( 4 – 3
)
( 2 – 1
)
(
1
2
–
1
4
)
=
(
1
)
(
1
)
(
1
)
(
2 – 1
4
)
=
1
4
-
b
2
( c + d
)
–
a
2
( m + n
)
+ 2 x =
2
2
( 3 + 4
)
–
1
2
(
1
2
+
2
3
)
+ 2 (
0
)
=
4 (
7
)
– (
3 + 4
6
)
=
28 –
7
6
=
168 – 7
6
=
161
6
↔ 26
5
6
-
2 m x + 6 (
b
2
+
c
2
)
– 4
d
2
=
+ 6 (
2
2
+
3
2
)
– 4 ( 4
)
2
=
6 (
13
)
– 64
=
78 – 64
=
14
-
(
8 m
9 n
+
16 p
b
)
a =
(
1
2
2
3
+
1
4
2
)
(
1
)
=
(
+
2
)
=
2
3
+ 2 =
2 + 6
3
=
8
3
↔ 2
2
3
-
x + m (
a
b
+
d
c
–
c
a
) =
0 +
1
2
(
1
2
+
4
3
–
3
1
)
=
1
2
( 1 + 64 – 3
)
=
2
=
31
-
4 ( m + p
) a
+
a
2
+
b
2
c
2
=
4 (
1
2
+
1
4
) 1
÷
1
2
+
2
2
3
2
=
4
(
2 + 1
4
)
÷
5
9
=
3 ÷
5
9
↔
3
5
9
=
27
5
↔ 5
2
5
-
( 2 m + 3 n + 4 p
)
( 8 p + 6 n – 4 m
)
( 9 n + 20 p
) =
(
2
1
2
+
3
2
3
+
4
1
4
)
(
1
4
+
2
3
–
1
2
)
(
2
3
+
1
4
)
=
( 1 + 2 + 1
)
(
2
+ 4 –
2
)
( 6 + 5
)
=
(
4
)
(
4
)
(
11
)
=
176
-
c
2
( m + n
)
–
d
2
( m + p
)
+
b
2
( n + p
) =
3
2
(
1
2
+
2
3
)
–
4
2
(
1
2
+
1
4
)
+
2
2
(
2
3
+
1
4
)
=
(
3 + 4
)
– (
2 + 1
4
)
+
4
(
8 + 3
)
=
3 (
7
2
)
– 4 (
3
)
+
11
3
=
21
2
– 12 +
11
3
=
63 – 72 + 22
6
=
13
6
↔ 2
1
6
-
(
c
2
+
d
2
a
÷
2
d
)
m =
(
c
2
+
d
2
a
2
d
)
m
=
(
3
2
+
4
2
1
2
4
)
1
2
=
(
25
2
2
)
1
2
=
5
2
↔ 2
1
2
-
( 4 p + 2 b
)
( 18 n – 24 p
)
+ 2 ( 8 m + 2
)
( 40 p + a
) =
(
4
1
4
+ 2 (
2
) )
(
2
3
–
1
4
)
+ 2 (
1
2
+ 2
)
(
1
4
+ 1
)
=
( 1 + 4
)
( 12 – 6
)
+ 2 ( 4 + 2
)
( 10 + 1
)
=
5 (
6
)
+ 2 (
6
)
(
11
)
=
30 + 132
=
162
-
a +
d
b
d – b
×
5 +
2
m
2
p
2
=
1 +
2
4 – 2
×
5 +
2
(
1
2
) 2
(
1
4
) 2
=
3
2
×
5 +
2
1
4
1
16
=
3
2
×
5 + 8
1
16
=
3
2
×
13
1
16
=
3
2
× 13 (
=
312
-
( a + b
)
c
2
+ 8 b
– m
n
2
=
( 1 + 2
)
3
2
+ 8 (
2
) –
1
2
(
2
3
)
2
=
3
9 + 16
–
1
2
(
2
3
)
=
3
25
–
1
3
=
3 (
5
)
–
1
3
=
15 –
1
3
=
45 – 1
3
=
44
3
↔ 14
2
3
-
(
a + c
2
+
6 n
b
)
÷ ( c + d
) p
=
(
1 + 3
2
+
2
3
2
)
÷ ( 3 + 4
)
1
4
=
(
4
2
+
4
2
)
÷ 7 (
1
2
)
=
(
2
2
+
2
2
)
÷
7
2
=
2
7
2
=
4
7
-
3 ( c – b
)
32 m
– 2 ( d – a
)
16 p
–
2
n
=
3 ( 3 – 2
)
1
2
– 2 ( 4 – 1
)
1
4
–
2
2
3
=
3 (
1
)
(
4
)
– 2 (
3
)
(
2
)
– 3
=
12
–
12
– 3
=
– 3
-
6 a b c
2
8 b
+
3 m n
2 ( b – a
) –
c d n p
a b c
=
6 (
1
)
(
2
)
(
3
)
2
8 (
2
) +
3
(
1
2
)
(
2
3
)
2 ( 2 – 1
) –
3
( 4
)
(
2
3
)
(
1
4
)
(
1
)
( 2
)
(
3
)
=
36
2
16
+
1
2
–
1
3
=
2
(
4
) + (
3 – 2
6
)
=
3
4
+
1
6
=
9 + 2
12
=
11
12
-
a
2
+
b
2
b
2
–
a
2
+ 3 ( a + b
)
( 2 a + 3 b
) =
1
2
+
2
2
2
2
–
1
2
+ 3 ( 1 + 2
)
( 2 × 1 + 3 × 2
)
=
1 + 4
4 – 1
+ 3 (
3
)
( 2 + 6
)
=
5
3
+ 72 =
5 + 216
3
=
221
3
↔ 73
2
3
-
b
2
+ (
1
a
+
1
b
)
(
1
b
+
1
c
)
+
(
1
n
+
1
m
) 2
=
2
2
+ (
1
1
+
1
2
)
(
1
2
+
1
3
)
+
(
1
2
3
+
1
1
2
) 2
=
4 + (
2 + 1
2
)
(
3 + 2
6
)
+
(
3
2
+ 2
) 2
=
4 + (
3
2
)
(
5
)
+
(
3 + 4
2
) 2
=
4 +
5
4
+
(
7
2
) 2
=
(
16 + 5
4
)
+
49
4
=
21
4
+
49
4
=
21 + 49
4
=
35
2
↔ 17
1
2
-
( 2 m + 3 n
)
( 4 p + 2 c
)
– 4
m
2
n
2
=
(
2
1
2
+
3
2
3
)
(
4
1
4
+ 2 × 3
)
– 4
(
1
2
) 2
(
2
3
) 2
=
( 1 + 2
)
( 1 + 6
)
–
4
(
1
4
)
(
4
9
)
=
3 (
7
)
–
4
9
=
21 –
4
9
=
189 – 4
9
=
185
9
↔ 20
5
9
-
b
2
–
c
3
2 a b – m
–
n
b – m
=
2
2
–
3
3
2 (
1
)
(
2
)
–
1
2
–
2
3
2 –
1
2
=
4 – 1
4 –
1
2
–
2
3
4 – 1
2
=
3
8 – 1
2
–
2
3
3
2
=
3
7
2
–
4
9
=
6
7
–
4
9
=
54 – 28
63
=
26
63