3/2 3/2 15
14 9 9 14 4 9
Five-thirds, five-thirds, five-sixths.
Simplified ratio:
7:3 25: 1 1:5
13:9 27: 10 50:7
Write the numbers represented by. ....
-6 -3 0 4 7 9
Look at the picture to find the relationship:
28 is a multiple of 7, 14 is a multiple of 7, 4 is a multiple of 2, 28 is a multiple of 2, 14 is a multiple of 2, and 28 is a multiple of 14.
pregnenolone
1, statistics can't be sent, write it yourself.
2. Music 50 calligraphy 27.46%
3、 9: 16 5:7
p 10
Simplified ratio:
3:4 1: 12 162:25
1: 12 162:25 25: 1
Draw a picture (sketch)
1、 13:20
2、 9:8
3、 1: 19
4、 6:5
5、 7:4= 175: 100
p 1 1
1、 9 160 1 1 15
2、 2
3、 13 1
4. A: Up:1-24-9,
Down: 2-49-12.
A: B = 1: 1=3:2。
A: The area ratio is 3:2.
p 16
5/5 8/2
2/3 965438+39/0 9/50
Draw (omit)
p 17
2、+2 100 3、+ 1400 4、- 1300 5、-500 6、+3 100
Draw (omit)
Solve the problem:
8: 12: 15
8+ 12+ 15=35
I 140×35 8=32 (person)
Ii. 140×35 = 48 (person)
Iii. 140×35 points 15=60 (person)