Réponses

2013-07-01T10:40:57+02:00

4 + 1 = 5

5 × 10 = 50

50 + 4 = 54

54 × 9 = 486

  • Utilisateur Brainly
2013-07-01T10:41:23+02:00

Voici 3 solutions à ton problème :

 

Solution n°1
4 + 1 = 5
10 x 5 = 50
50 + 4 = 54
54 x 9 = 486

Solution n°2
10 + 4 = 14
14 x 4 = 56
1 + 1 = 2
56 - 2 = 54
54 x 9 = 486

 

Solution n°3
10 + 4 = 14
14 x 4 = 56
56 - 1 = 55
55 - 1 = 54
54 x 9 = 486