Question

Resuelve:
a) -4 +7 =
b) -5 -4 =
Resuelve:
a) (+7) (-2) (+3) (2)=
b) (-12) : (+6) (-5) (-2)=
Resuelve:
-[24 : 8 +-2 x-3- (81: 27+1 )]
Resolver:
[ 8 -(-2 )- (+5) (-3)] + 14 : (-2) + (-5 -2) (-1)=
todo con su procedimiento por favor y para ahorita,

Answer 1

Respuesta:

7/4+7/8-5/2 =(14+7-20)/8= 1/8

5/3+1/2+3/4 = (20+6+9)/12=35/12

8/5-(17/10-3/2) = 8/5-(17-15/10)=8/5-(2/10)=8/5-1/5=(8-1)/5= 7/5

3/7-(5/21+1/14)=3/7-((10+3)/42)= 3/7-(13/42)=(18-13)/42= 6/42= 1/7

Explicación paso a paso: