Lesson 75 Television Day:
第75課 電視課:
Don't complain about arithmetic!
別抱怨算術(shù)
I'm sure some of you like arithmetic very much.
我敢肯定你們中有些人非常喜歡算術(shù).
Perhaps it's your favourite subject.
也許這是一門你們最喜歡的科目.
But I'm certain some of you don't like it at all.
但是我也知道你們中有些人一點都不喜歡算術(shù).
Perhaps you do sums because you have to do them!
也許你們做算術(shù)是因為你們不得不做.
Can you add DCCLXVII and CCLVI?
你們會做 DCCLXVII加CCLVI嗎?
A Roman child couldn't do this sum.
羅馬的小孩也不會做這種算術(shù).
He had to use a counting-board.
他必須借助計算板.
But it is a simple sum really.
但事實上這是一道簡單的算術(shù)題.
Here it is in Roman numbers:
這兒是羅馬數(shù)字:
DCCLXVII plus CCLVI Answer:MXXIII
DCCLXVII+CCLVI=MXXIII
And here it is in Arabic numbers:
這兒是阿拉伯?dāng)?shù)字:
767 plus 256 Answer:1023
767+256=1023
Easy,isn't it?Who says arithmetic is difficult?
簡單得很,是不是?誰說算術(shù)難?
We don't have to use Roman numbers
我們不必用羅馬數(shù)字.
and we must thank the Arabs for this.
為這點我們就得感謝阿拉伯人.
They gave the world simple numbers.
他們?yōu)槿澜缣峁┝撕唵蔚臄?shù)字.
So don't complain about arithmetic!
所以不要抱怨算術(shù).