Réponses

2012-10-03T19:52:54+02:00

4...4...4...4

4-4+4-4 = 0 + 0 = 0

4-4+4:4 = 0 + 1 = 1

4:4+4:4 = 1 + 1 = 2

(4+4+4):4 = 12:4 = 3

(4-4)x4+4 = 0x4+4 = 0 + 4 = 4

(4x4+4):4 = (16+4):4 = 20:4 = 5

(4+4):4+4 = 8:4 + 4 = 2 + 4 = 6

4+4-4:4 = 8-1 = 7

4x4-4-4 = 16-8=8

4+4+4:4 = 8+1 = 9

 

En espérant t'avoir aidé.