Выполните вычитание дробей 1) 21/28-9/14 ; 2)55/6-1 31/48 ; 3) 9- 5/8 ;

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600

к=от 2 до 5

11/(2+5)=11/7

11/(3+5)=11/8

11/(4+5)=11/9

11/(5+5)=11/10

601.

(10-3)/8=7/8

(8-3)/8=5/8

(6-3)/8=3/8

(4-3)/8=1/8

602.

17/(2*5+5)=17/15

17/(2*4+5)=17/13

и так далее до 0. (3, 2, 1, 0)

603.

(3*5+5)/21=20/21

и так 4, 3, 2, 1, 0 - подставляй

604.

1/3, 2/3, 1/9, 2/9, 4/9, 5/9, 7/9, 8/9

6/5

610.

3+4/15=3 4/15

19+5/27=19 5/27

7+3/8=7 3/8

26+9/14=26 9/14

9+4/11=9 4/11

101+1/11=101 1/11

611.

5 11/17=5+11/17

7 11/26=7+11/26

19 12/13=19+12/13

58 40/47=58+40/47

48 11/19=48+11/19

152 11/101=152+11/101

612.

83/27=83 :27=3 (ост.2)=3 2/27

156/19=156:19=8 (ост.4)=8 4/19

78/23=3 ост.9=3 9/23

413/15=27 ост. 8=27 8/15

89/21=4 5/4

196/19=10 6/19

767/83=9 20/83

695/29=23 28/29

713/35=20 13/35

1028/101=10 18/101

619/28=22 3/28

20019/87=230 9/87

613.

29 :4=7 1/4

215:41=5 10/41

11:3=3 2/3

832:55=15 7/55

67 :7=9 4/7

783:65=12 3/65

614.

3 3/4=(3*4+3)/4=15/4

5 1/2=(5*2+1)/2=11/2

7 5/8=(7*8+5)/8=61/8

11 2/3=35/3

29 3/4=119/4

17 5/6=107/6

8 5/9=79/9

15 1/7=106/7

8 12/13=116/13

11 1/4=45/4

16 41/100=1641/100

21 81/200=4281/200

13 43/150=1993/150

25 31/500=12531/500