Sagot :
Réponse :
Bonsoir,
10 + 9 + 6 - 13 + 8
= 19 + 6 - 13 + 8
= 25 - 13 + 8
= 12 + 8
= 20
(+12) - (-2) - (-1)
= + 12 + 2 + 1
= 14 + 1
= 15
Réponse :
10 + 9 + 6 - 13 + 8
= 19 + 6 - 13 + 8
= 25 - 13 + 8
= 12 + 8
= 20
(+12) - (-2) - (-1)
= + 12 + 2 + 1
= 14 + 1
= 15