The multiplication of 7×8 multiplication is written as follows: left, horizontal, vertical, vertical, horizontal, lift, left, vertical hook, left, and hold. The relevant content is as follows:
1. Multiplication in mathematics: Multiplication is one of the basic operations in mathematics, which means multiplying one number by another number. In mathematics, multiplication is usually represented by the symbol "×". For example, 3 times 4 is written as "3×4". This notation was first introduced by the British mathematician William Ottery in 1631 and is taken from the first letter of the Latin "multiplicare", which means "to find the sum of multiple times".
2. Multiplication in philology: In the Chinese character "multiplication", we see its original meaning as a calculation tool. This character consists of two parts: "禾" and "人". In ancient times, people understood the word "禾" to mean crops, and "人" to represent land or planting. Therefore, the word "Cheng" can be understood as people planting crops on the land, which by extension means "harvest" or "profit".
3. Multiplication in the art of calligraphy: In the art of calligraphy, the structure and strokes of the word "multiplication" show a unique charm and beauty. Calligraphers often demonstrate their brushwork and structural skills by writing the character " multiply ". In running script, the word "成" often appears in cursive script, giving people a smooth and active feeling.
Properties of multiplication
1. Commutative law: Multiplication satisfies the commutative law, that is, if two numbers are multiplied and their order is exchanged, the result will still be the same. For example, 3 times 4 is equal to 4 times 3. This property reflects the symmetry and consistency of multiplication operations, allowing us to perform calculations flexibly without having to stick to the order of numbers.
2. Associative law: Multiplication satisfies the associative law, that is, when three or more numbers are multiplied, how they are combined does not affect the final result. For example, (2 times 3) times 4 is equal to 2 times (3 times 4). This property allows us to freely change the way numbers are combined when performing complex multiplication operations, thereby simplifying the calculation process.
3. Distributive law: Multiplication satisfies the distributive law for addition, that is, the sum of one number multiplied by two numbers is equal to multiplying the number by the two numbers and then adding the results. For example, 5 times (3 plus 2) is equal to (5 times 3) plus (5 times 2). This property reveals the deep connection between multiplication and addition, providing us with strategies to break complex problems into simpler sub-problems to solve.