①整數(shù)Integers:
自然數(shù)Natural Numbers
零Zero
負(fù)整數(shù)Negative Integers
偶數(shù)Even Numbers
奇數(shù)Odd Numbers
②小數(shù)Decimals:
循環(huán)小數(shù)Recurring Decimals
非循環(huán)小數(shù)Terminating Decimals
③分?jǐn)?shù) Fractions:
百分?jǐn)?shù)Percent
千分?jǐn)?shù) Permille
把……四舍五入到 round off..to