2024年4月7日发(作者：)

俄罗斯三位数乘两位数速算方法

1.先算百位数，然后再计算十位数。

First calculate the hundreds' place, and then calculate

the tens' place.

2.三位数的百位数和个位数相乘。

Multiply the hundreds' place and the ones' place of the

three-digit number.

3.将得数与三位数的十位数相乘。

Multiply the resulting number by the tens' place of the

three-digit number.

4.最后将两个乘积相加。

Finally, add the two products.

5.将得数写在新的一行的中间。

Write the resulting number in the middle of a new line.

6.把进位的数加到百位数上。

Add the carried number to the hundreds' place.

7.这个三位数乘以两位数的乘法结果是…

The product of this three-digit number multiplied by the

two-digit

8.划出一道竖线，分别计算个位数、十位数和百位数。

Draw a vertical line, and calculate the ones' place,

tens' place, and hundreds' place separately.

9.从左到右一位一位地相乘。

Multiply digit by digit from left to right.

10.保持位数对齐，不要出错位。

Keep the digits aligned, and do not mistake the places.

11.将三位数的个位数和两位数的各位数相乘。

Multiply the ones' place of the three-digit number by the

ones' place of the two-digit number.