Răspuns :
a). 18 = 3 × 6
b). 18 = 2 × 3 × 3
65 + 9 × 5 - 43 =
65 + 45 - 43 =
110 - 43 = 67
2 × 8 + 9 × 9 - 6 × 6 =
16 + 81 - 36 =
97 - 36 = 61
a). 18 = 3 × 6
b). 18 = 2 × 3 × 3
65 + 9 × 5 - 43 =
65 + 45 - 43 =
110 - 43 = 67
2 × 8 + 9 × 9 - 6 × 6 =
16 + 81 - 36 =
97 - 36 = 61