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...
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....