Вычисли: 2 × 5; 3 × 9; 2 × 8; 3 × 6; 3 × 7; 2 × 2; 3 × 4; 2 × 9; 2 × 4; 3 × 5; 2 × 7; 3 × 2.

\(2 \times 5 = 10\); \(3 \times 9 = 27\); \(2 \times 8 = 16\); \(3 \times 6 = 18\).

\(3 \times 7 = 21\); \(2 \times 2 = 4\); \(3 \times 4 = 12\); \(2 \times 9 = 18\).

\(2 \times 4 = 8\); \(3 \times 5 = 15\); \(2 \times 7 = 14\); \(3 \times 2 = 6\).