1加:用and ,plus , added to 等词表示。2 4 6 可译为:Two and four is six .Two plus four is equal to six .Two added to four equals six .Two and four makes six .Two plus four will be six .If you add two to four , you get six .2减:用minus, taken from, subtracted from 等表示。83=可译为:Eight minus three is five .Eight minus three is equal to five .Three taken from eight leaves five .Three subtracted from eight leaves five .Take three from eight and the remainder is five .3乘:用multiply