RESOLVER LOS SIGUIENTES EJERCICIOS
3 – 4 + 5 – 6 + 7 – 8 – 10
–20 + (7) – (10) – 6
(15 ) - ( – 25) + (- 8 ) - (+ 8) – (6 ) -(+ 9)
( +8 ) + ( -5 ) =
( -7 ) + ( -1 )=
( -10) + ( +15 ) =
( -4 ) + ( +20 ) =
( +3 ) + ( + 7 )=
( +3) + ( - 14 ) =
14:13 HORA
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