Several methods were used for multiplication . 作乘法有几种方法。
2.
He's strong in the multiplication-table . 他长于九九乘法表。
3.
In other words, f respects addition, multiplication and identity element . 换言之，F保持加，乘法和单位元。
4.
Today very accurate integrated circuit multipliers are available . 目前，非常精确的集成电路乘法器已被采用。
5.
Do not think you can learn grammatical rules like you learn multiplication tables . 不能像记乘法表那样记语法规则。
6.
The lines shown in these figures were fitted by the method of least squares . 这些图中的相关线是通过最小二乘法得到的。
7.
The rule of product can also be generalized to situations involving more than two events . 乘法原理也可以推广到多于两个事件的情况。
8.
Multiplication of permutations, unlike multiplication of numbers, is not always commutative . 置换的乘法不同于数的乘法，它并不一定满足交换律。
9.
If we consider the integers with ordinary multiplication we have closure, associativity, and identity element . 如果我们考虑整数集且用通常的乘法，我们有封闭性，可结合性，和一个单位元。
10.
In offices there are slide rules for multiplication and division, and desk machines which can add, subtract, multiply and divide . 在办公室里有能做乘法除法的计算尺，以及能加减乘除的台式计算机。
