Номер 489 и номер 490 пожалуйста помогите. Created by DashaClass. matematika-ru

Номер 489 и номер 490 пожалуйста помогите...

19022005 489)
9/4=2 1/4
5/2=2 1/2
14/9=1 5/9
27/10=2 7/10
31/13=2 5/13
32/15=2 2/15
43/20=2 3/20
127/30=4 7/30

7/3; 9/2; 29/8; 47/9; 31/5; 23/3; 39/4; 73/6

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19022005 (490) 12/8=3/2=1 1/2. 20/16=5/4=1 1/4. 35/25=7/5=1 2/5. 46/32=23/16=1 7/16. 56/12=14/3=3 5/3. 105/45=7/3=2 1/3. 198/102=33/17=1 15/17. 90/65=18/13=1 5/13

Олег200203 489
1) 9/4= 2 1/4
5/2= 2 1/2
14/9=1 5/9
27/10= 2 7/10
31/13= 2 5/13
32/15= 2 2/15
43/20= 2 3/20
127/30= 4 7/30
1) 2 1/3=7/3
4 1/2= 9/2
3 5/8= 29/8
5 2/9= 47/9
6 1/5= 31/5
7 2/3= 23/3
9 3/4= 39/4
12 1/6= 73/6
490
1) 12/8= 3/2= 1 1/2
20/16= 5/4= 1 1/4
35/25= 7/5= 1 2/5
46/32= 23/16= 1 7/16
56/12=14/3= 4 2/3
105/45= 7/3= 2 1/3
198/102= 33/17= 1 16/17
90/65= 18/13=1 5/13
2) 2= 1 5/5
4= 3 5/5
10= 9 5/5
26= 25 5/5

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