The triangls is made up of number.The first line is 1 The se

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The triangls is made up of number.The first line is 1 The second line is 1 1 The third line is
The triangls is made up of number.The first line is 1
The second line is 1 1
The third line is 1 2 1
What is the third number in line 1994?1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
.

二项式展开,一下子搞定
1993*1992/2

The triangls is made up of number.The first line is 1 The se 1、"WTO" is an ______ made up from teh first letters of the n What is the sun made up of? this number never the line is busy . The First Car Of The World Is Made By（） The first computer of the world is made by____. What is the House of Lords made up of? SAT On the number line above,point B is the midpoint of AC. 写出理由The number of the hot line is 08322850160.Have you( A.wr the medical team is made up of five_and seven_. ____ the medical team is made up of twelve doctors. The book| is made up of| four chapters(快!)