To bring two or more numbers (or things) together to make a new total.
Here 1 ball is added to 1 ball to make 2 balls.
Example: when we add 2 and 3 we get 5.
Drag the numbers to the blue boxes to see how addition works:
数学辞典收录了1200条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。