在做減法時(shí),你必須把余數(shù)進(jìn)位.When you are subtracting numbers you should carry the remainder.進(jìn)化往往做減法而不是加法.Evolution often takes away rather than adding.這并不意味著添加更多內(nèi)容, 反而往往要做減法以求凝練之美.This does not always mean adding more; often it may m...
我看著他給我的東西，快速做了個(gè)減法。I looked at what he'd given me and did a quick subtraction.用減法得出差額.The difference is found by subtraction.加號(hào)用于加法;減號(hào)用于減法.The plus sign is used in addition and the minus is used in subtraction....