3 variante pt a obtine rezultate diferite :
( 2 × 3 × 6 ) + ( 18 : 9 ) + 1 =
36 + 2 + 1 = 38 + 1 = 39
2 × ( 3 × 6 + 18 ) : 9 + 1 =
2 × ( 18 + 18 ) : 9 + 1 =
2 × 36 : 9 + 1 =
72 : 9 + 1 =
8 + 1 = 9
( 2 × 3 × 6 + 18 ) : 9 + 1 =
( 36 + 18 ) : 9 + 1 =
54 : 9 + 1 =
6 + 1 = 7
____________________
2 × 4 + 3 + 1 = 15
2 × ( 4 + 3 ) + 1 =
2 × 7 + 1 =
14 + 1 = 15