九九乘法口诀表
乘法口诀是中国古代筹算中进行乘法、除法、开方等运算的基本计算规则,沿用至今已有两千多年,九九表也是小学算术的基本功。
古时的乘法口诀,是自上而下,从“九九八十一”开始,至“一一如一”止,与使用的顺序相反,因此古人用乘法口诀开始的两个字“九九”作为此口诀的名称,又称九九表、九九歌、九因歌、九九乘法表。
古时的乘法口诀,是自上而下,从“九九八十一”开始,至“一一如一”止,与使用的顺序相反,因此古人用乘法口诀开始的两个字“九九”作为此口诀的名称,又称九九表、九九歌、九因歌、九九乘法表。
1 x 1 = 1 | ||||||||
1 x 2 = 2 | 2 x 2 = 4 | |||||||
1 x 3 = 3 | 2 x 3 = 6 | 3 x 3 = 9 | ||||||
1 x 4 = 4 | 2 x 4 = 8 | 3 x 4 = 12 | 4 x 4 = 16 | |||||
1 x 5 = 5 | 2 x 5 = 10 | 3 x 5 = 15 | 4 x 5 = 20 | 5 x 5 = 25 | ||||
1 x 6 = 6 | 2 x 6 = 12 | 3 x 6 = 18 | 4 x 6 = 24 | 5 x 6 = 30 | 6 x 6 = 36 | |||
1 x 7 = 7 | 2 x 7 = 14 | 3 x 7 = 21 | 4 x 7 = 28 | 5 x 7 = 35 | 6 x 7 = 42 | 7 x 7 = 49 | ||
1 x 8 = 8 | 2 x 8 = 16 | 3 x 8 = 24 | 4 x 8 = 32 | 5 x 8 = 40 | 6 x 8 = 48 | 7 x 8 = 56 | 8 x 8 = 64 | |
1 x 9 = 9 | 2 x 9 = 18 | 3 x 9 = 27 | 4 x 9 = 36 | 5 x 9 = 45 | 6 x 9 = 54 | 7 x 9 = 63 | 8 x 9 = 72 | 9 x 9 = 81 |
1乘口诀 | ||||||||
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1 x 1 = 1 | 1 x 2 = 2 | 1 x 3 = 3 | 1 x 4 = 4 | 1 x 5 = 5 | 1 x 6 = 6 | 1 x 7 = 7 | 1 x 8 = 8 | 1 x 9 = 9 |
2乘口诀 | ||||||||
2 x 2 = 4 | 2 x 3 = 6 | 2 x 4 = 8 | 2 x 5 = 10 | 2 x 6 = 12 | 2 x 7 = 14 | 2 x 8 = 16 | 2 x 9 = 18 | |
3乘口诀 | ||||||||
3 x 3 = 9 | 3 x 4 = 12 | 3 x 5 = 15 | 3 x 6 = 18 | 3 x 7 = 21 | 3 x 8 = 24 | 3 x 9 = 27 | ||
4乘口诀 | ||||||||
4 x 4 = 16 | 4 x 5 = 20 | 4 x 6 = 24 | 4 x 7 = 28 | 4 x 8 = 32 | 4 x 9 = 36 | |||
5乘口诀 | ||||||||
5 x 5 = 25 | 5 x 6 = 30 | 5 x 7 = 35 | 5 x 8 = 40 | 5 x 9 = 45 | ||||
6乘口诀 | ||||||||
6 x 6 = 36 | 6 x 7 = 42 | 6 x 8 = 48 | 6 x 9 = 54 | |||||
7乘口诀 | ||||||||
7 x 7 = 49 | 7 x 8 = 56 | 7 x 9 = 63 | ||||||
8乘口诀 | ||||||||
8 x 8 = 64 | 8 x 9 = 72 | |||||||
9乘口诀 | ||||||||
9 x 9 = 81 |