Question

Срочно нужен!!!!!! ​

Answer 1

Ответ:

#421

1. 1/9+4/9=1+4/9=5/9

2. 7/8-3/8=7-3/8=4/8

3. 15/19-6/19=15-6/19=9/19

4. 5/16+1/16=5+1/16=6/16

5. 3/14+11/14=3+11/14=14/14=1

6. 11/21+4/21=11+4/21=15/21

#422

1. 2/5+3/5=2+3/5=5/5=1

2. 3/7-2/7=3-2/7=1/7

3. 7/20-3/20=7-3/20=4/20

4. 1/9+5/9=1+5/9=6/9

5. 6/23-2/23=6-2/23=4/23

6. 3/20+7/20=10/20

7. 13/29-2/29=13-2/29=11/29

8. 11/51+13/51=11+13/51=24/51

9. 17/72-13/72=17-13/72=4/72

10. 32/55+33/55=32+33/55=55/55=1

11. 5/33+6/33=5+6/33=11/33

12. 13/48-11/48=13-11/48=2/48