tarea 1 (ecuaciones)

(2)5+3(-6)-(2)(4)5=
10-18(8)
-8+40=-32

((15)/3)+2(18)-6-3-4=
((15)/3)-36+9-4
27+4=31

(-2) (-4) (-5)(-3) (1) (7)=
(8) (-40) (3)
-120(7)=840

(2)(-5)(11)(-2)(-8)(-5)=
(-10)(11)
(-110)(-2)
(220)(8)=1760 (-5)
=-8800

2+3-5-6+7+18(-39)-65=
-115=-85

(((5)(3)))+12-(8)-4(4-)
15+7+40=35

((49)/7)(-6)+2-3+4(5)(-2)=
((49)7/) -12-5+20-2