Răspuns:
18:2:3>16:2:4
9:3>8:4
3>2
8×5:4 > 6×6:4
40:4 > 36:4
10 > 9
14:2×8 < 27:3×9
7×8 < 9×9
56 < 81
3×8:4 = 2×9:3
24:4 = 18:3
6 = 6
15:3×7 < 32:4×6
5×7 < 8×6
35 < 48
Exercitiul 8
C+V=40
V= 27:3=9
C+9=40
=> C= 40-9
=> C= 31