👤

9+8+7+6-0+6+7+4+9-0-8-7-6-5-4+9+9+9+9

Răspuns :

9+8+7+6-0+6+7+4+9-0-8-7-6-5-4+9+9+9+9=53
9+8+7+6-0+6+7+4+9-0-8-7-6-5-4+9+9+9+9 =
=17 + 13 + 6 + 11 + 9 + 1 - 1 - 18 + 18 + 18
=30 + 17 + 10 - 1 - 36 + 18
=47 + 9 - 54
=56 - 54
=2

Cu drag !