“減”用 minus或 take from表示，10-6=4可以表達為：
Ten minus six is four．
Take six from ten and the remainder is four.
Six (taken) from ten is four．
9. 3×4＝? How much is three times four?
“乘”用time（動詞）或multiply表示，3×4=12可以說：
Three times four isbrare twelve．
Multiply three by four，we get twelve．
Three multiplied by four makes twelve．
10. 16÷4=? How much is sixteen divided by four?
“除”用divide的過去分詞形式表示，16÷4＝4表示為：
Sixteen divided by four is four．
Sixteen divided by four equalsbrgivesbrmakes four．
句型運用
A: What’s the area of your try?
你們國家麵積有多大？
B: It’s not very big. It’s a little over half a million square kilometers.
不算很大，五十多萬平方公裏。
A: That sounds quite big! Hoeople live there?
這聽起來相當大！有多少人住在那裏？
B: There are about 30 million people in my try. Most of them live in the north.
有大約3000萬人，他們大多生活在北方。
A: What’s the average ine?
平均收入有多少呢？
B: That’s the really hard to say. I think most people earn about two thousand dollars a month, if you vert the money from our currento dollars.
這真的很難說。如果轉換成美元的話，我想大多數人的收入大約是兩千元一個月。
A: So your try is fairly rich.
看來你們國家相當富有。
B: I think we are richer than most tries, but not as rich as tries iern Europe. gest problem at the moment is unemployment, which is roughly 8%. It has doubled over the last four years.
“減”用 minus或 take from表示，10-6=4可以表達為：
Ten minus six is four．
Take six from ten and the remainder is four.
Six (taken) from ten is four．
9. 3×4＝? How much is three times four?
“乘”用time（動詞）或multiply表示，3×4=12可以說：
Three times four isbrare twelve．
Multiply three by four，we get twelve．