4 乘法 4 等于多少？

4 × 3 = 12 4 × 5 = 20 4 × 2 = 8 4 × 6 = 24 4 × 1 = 4 4 × 7 = 28 4 × 8 = 32 4 × 9 = 36 3 × 4 = 12 5 × 4 = 20 2 × 4 = 8 6 × 4 = 24 1 × 4 = 4 7 × 4 = 28 8 × 4 = 32 9 × 4 = 36 1 × 16 = 16 2 × 8 = 16 8 × 2 = 16 16 × 1 = 16 50 × 57 = 2850 92 × 84 = 7728 9 × 5 = 45 72 × 93 = 6696 6 × 62 = 372 3 × 84 = 252 67 - 51 = 16 81 - 65 = 16 97 - 81 = 16 32 - 16 = 16