Ответ:

1) \(12\cdot6=72\); \(25\cdot4=100\); \(2\cdot48=96\); \(3\cdot11=33\).

2) \(84:6=14\); \(64:4=16\); \(75:5=15\); \(65:5=13\).

3) \(30:15=2\); \(36:18=2\); \(75:25=3\); \(66:11=6\).

Ответ: 72; 100; 96; 33; 14; 16; 15; 13; 2; 2; 3; 6.