加 用plus，and或add表示； 等於 用is，make，equal等詞表示。2+3=? 可表示為： How much is two plus three?2+3=5Two plus three is five．Two and three is equal to five．Two and three makes five．Two added to three equals five．If we add two to/and three, we get five．減 用 minus或 take from表示10－6＝? How much is ten minus six?10-6=4Ten minus six is four．Take six from ten and the remainder is four.Six (taken) from ten is four．十減去六等於四乘 用time（動詞）或multiply表示3X4＝? How much is three times four?3X4=12Three times four is/are twelve．Multiply three by four，we get twelve．Three multiplied by four makes twelve．
加 用plus，and或add表示； 等於 用is，make，equal等詞表示。2+3=? 可表示為： How much is two plus three?2+3=5Two plus three is five．Two and three is equal to five．Two and three makes five．Two added to three equals five．If we add two to/and three, we get five．減 用 minus或 take from表示10－6＝? How much is ten minus six?10-6=4Ten minus six is four．Take six from ten and the remainder is four.Six (taken) from ten is four．十減去六等於四乘 用time（動詞）或multiply表示3X4＝? How much is three times four?3X4=12Three times four is/are twelve．Multiply three by four，we get twelve．Three multiplied by four makes twelve．