I looked at what he'd given me and did a quick subtraction.我看着他给我的东西，快速做了个减法。The difference is found by subtraction.用减法得出差额.The plus sign is used in addition and the minus is used in 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.加号用于加法;减号用于减法....using concrete objects to teach addition and subtraction.用实物来教加减法There will be simple tests in addition, subtraction, multiplication...
Welcome Algonquin College Chinese Students'Association ( ACCSA )!欢迎来到亚岗昆学院中国学生会!A police report said the missing men were studying at Algonquin and Carleton University.一位警察透露,这两位失踪者分别在卡尔顿大学和亚港昆学院读书.Algonquin has the...
"Gerald, isn't it?" I began familiarly.“杰拉尔德，是你吧？”我亲昵地开口说道。John Hunt, familiarly known to his friends as Jack约翰∙亨特，朋友昵称他为杰克...Ann Hamilton's father, familiarly known as 'Dink'.安·汉密尔顿的父亲，昵称为“丁克”A brace...
Large, poorly controlled plants must reduce emissions to 1.2 million lbs / mBtu.大型的以及控制污染设备较差的工厂必须减少排放达120万磅/百万英国热量单位.(每个英国热量单位等于252卡——译者注. )The luggage weighs 40 lbs.这行李重40磅.Tighten adjustment screw to 3 N & middot; m (...