given 2 parrel lines xy and zt.Three point ABC are on line xy,two point DE are on line zt.Draw lines pasing throught the pair of points
given a parallel line xy and zt. Three point A,B,C are on line xy, two point D,E are on line zt. Draws line passing through the pair of point. How many lines are there?
given 5 point in which not any 3 point are collinear.draw lines pasing throught the pair of poins t .how many lines are there
cho 5 điểm trong đó có 3 điểm không thằng hàng . Vẽ những đường thẳng đi qua 5 điểm đó . Hỏi có tất cả bao nhiêu đường
bài giải là
có tất cả 5*4:2 = 10
bạn ơi mk dịch lộn một chút là vẽ đường thẳng đi qua 2 trong 5 điểm đó . hỏi có tất cả bao nhiêu đường
Given two parallel lines xy & zt. Three points A,B & C are on line xy, two points D & E are on line zt. Draw lines passing through the pairs of points. How many lines are there? (including xy & zt)
For a grid of 10 lines and 10 columns. Two children and children coloring boxes, each one a color in three colors: blue, red, purple. Credit: "Every time we finish the cells there are two lines on the two lines that have a color number of this cell line by the number of cells in the other." Nhi said: "I discovered there are always two columns are painted like that."
Come on, tell who is right, who's wrong?
given 5 points in which not any three points are collinear. Draw lines passing through the pair of points . How many lines are there?
Chọn 1 điểm , làm như vậy với 4 điểm còn lại . ta có 5.4 đt nhưng lại bị lặp 2 làn nên có 5.4:2 = 10 đt
Dịch :
Cho 5 điểm trong đó không có ba điểm thẳng hàng. Vẽ đường thẳng đi qua các cặp điểm . Có bao nhiêu đường thẳng ?
mình cũng ko rõ mình nghĩ là 7 bạn ạ
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
This is my exercise:
It is just 1 point in 99 straight draw with 100 points remaining. So with 100 points, with all 99.100
As each line is repeated 2 times so have all :
99.100 / 2 = 4950 (lines)
Answer: 4950 lines.
Given 50 lines that any 3 lines are not concurrent. How many intersection point are there?
Answer:
ghi rõ cách làm và dịch được nhưng không phải 150
cho 10 line
50x49:2=1225 (điểm)
Kết quả là 1225
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
With 100 points, then we draw are:
100 x 99 : 2 = 4950 ( lines )
Answer: 4950 lines
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
Đề bài:
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
With 100 points, then we draw are:
100 x 99 : 2 = 4950 ( lines )
Answer: 4950 lines
The number of lines is :
\(\frac{100.99}{2}=4950\)
So,...
It is just 1 point in 99 straight draw with 99 points remaining. So with 100 points, with all 99 . 100
As each line is repeated 2 times so have all :
\(\frac{99.100}{2}=4950\)( lines )
Answer : 4950 lines