Explicación paso a paso:
-4 ( 4/5 + 3/1 ) + 1/2
-19/5 + 1/2
-33/10
3+(1/4-3/2)
3 + ( 1/4 - 3/2 )
3 + ( -5/4 )
3 - 5/4
7/4
-12 - ( 6/2 - 4/5 )
- 12 - 11/5
-71/5
-9/5 + ( -5/7 + 2/4 )
-9/5 + ( -3/14 )
-9/5 - 3/14
- 141/70
Respuesta:
a) -33/10
b) 7/4
c) -71/5
d) -141/70
a)-( 4/5 + 3/1 ) + 1/2
-(4+15/5) + 1/2
-(19/5) + 1/2
-38+5/10
= -33/10
b)3+ ( 1/4 - 3/2 )
3+ (2-12/8)
3+ (-10/8)
se simplifica la fracción entre 2= 3+ (-5/4)
3+ (-5/4)
3-5/4
12-5/4
=7/4
c)- 12 - ( 6/2 - 4/5 )
-12- (30-8/10)
-12- (22/10)
-12 -22/10
simplificamos entre 2= -12 -11/5
-60-11/5
=-71/5
d)- 9/5 + ( - 5/7 + 2/4 )
Simplificamos entre 2= -9/5 + (-5/7 +1/2)
-9/5 + (-10+7/14)
-9/5 + (-3/14)
-9/5 -3/14
-126-15/70
= -141/70
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Explicación paso a paso:
-4 ( 4/5 + 3/1 ) + 1/2
-19/5 + 1/2
-33/10
3+(1/4-3/2)
3 + ( 1/4 - 3/2 )
3 + ( -5/4 )
3 - 5/4
7/4
-12 - ( 6/2 - 4/5 )
- 12 - 11/5
-71/5
-9/5 + ( -5/7 + 2/4 )
-9/5 + ( -3/14 )
-9/5 - 3/14
- 141/70
Respuesta:
a) -33/10
b) 7/4
c) -71/5
d) -141/70
Explicación paso a paso:
a)-( 4/5 + 3/1 ) + 1/2
-(4+15/5) + 1/2
-(19/5) + 1/2
-19/5 + 1/2
-38+5/10
= -33/10
b)3+ ( 1/4 - 3/2 )
3+ (2-12/8)
3+ (-10/8)
se simplifica la fracción entre 2= 3+ (-5/4)
3+ (-5/4)
3-5/4
12-5/4
=7/4
c)- 12 - ( 6/2 - 4/5 )
-12- (30-8/10)
-12- (22/10)
-12 -22/10
simplificamos entre 2= -12 -11/5
-60-11/5
=-71/5
d)- 9/5 + ( - 5/7 + 2/4 )
Simplificamos entre 2= -9/5 + (-5/7 +1/2)
-9/5 + (-10+7/14)
-9/5 + (-3/14)
-9/5 -3/14
-126-15/70
= -141/70