Răspuns:
42/7=7
56/7=8
70/7=10
64/8=8
40/8=5
32/8=4
45/9=5
81/9=9
63/9=7
42:7=6
56:7=8
70:7=10
64:8=8
40:8=5
32:8=4
45:9=5
81:9=9
69:9=7