我看着他给我的东西，快速做了个减法。I looked at what he'd given me and did a quick subtraction.用减法得出差额.The difference is found by subtraction.加号用于加法;减号用于减法.The plus sign is used in addition and the minus is used in subtraction....
在做减法时,你必须把余数进位.When you are subtracting numbers you should carry the remainder.进化往往做减法而不是加法.Evolution often takes away rather than adding.这并不意味着添加更多内容, 反而往往要做减法以求凝练之美.This does not always mean adding more; often it may m...