Sagot :
C'est simple. Le compte est bon !
7*100 = 700
3*9 = 27
27 + 50 = 77
700 + 77 = 777
7*100 = 700
3*9 = 27
27 + 50 = 77
700 + 77 = 777
Voici 5 solutions :
Solution n°1
9 + 7 = 16
50 - 3 = 47
47 x 16 = 752
752 + 25 = 777
Solution n°2
50 - 3 = 47
9 + 7 = 16
47 x 16 = 752
752 + 25 = 777
Solution n°3
9 x 3 = 27
50 + 27 = 77
100 x 7 = 700
700 + 77 = 777
Solution n°4
9 x 3 = 27
100 x 7 = 700
700 + 27 = 727
727 + 50 = 777
Solution n°5
100 x 7 = 700
9 x 3 = 27
700 + 27 = 727
727 + 50 = 777
Solution n°1
9 + 7 = 16
50 - 3 = 47
47 x 16 = 752
752 + 25 = 777
Solution n°2
50 - 3 = 47
9 + 7 = 16
47 x 16 = 752
752 + 25 = 777
Solution n°3
9 x 3 = 27
50 + 27 = 77
100 x 7 = 700
700 + 77 = 777
Solution n°4
9 x 3 = 27
100 x 7 = 700
700 + 27 = 727
727 + 50 = 777
Solution n°5
100 x 7 = 700
9 x 3 = 27
700 + 27 = 727
727 + 50 = 777