Вычислите: 8 × 42; 12 × 3; 98 : 7; 80 : 5; 3 × 32; 4 × 27; 39 : 3; 38 : 2; 7 × 38; 5 × 17.

1. \(8 \times 42 = 336\)
2. \(12 \times 3 = 36\)
3. \(98 : 7 = 14\)
4. \(80 : 5 = 16\)
5. \(3 \times 32 = 96\)
6. \(4 \times 27 = 108\)
7. \(39 : 3 = 13\)
8. \(38 : 2 = 19\)
9. \(7 \times 38 = 266\)
10. \(5 \times 17 = 85\)

Ответ: 336; 36; 14; 16; 96; 108; 13; 19; 266; 85.