Question

Vă rog ajutor . dau coroana ​

Answer 1

a-1/2=1/2

a=1/2+1/2

a=2/2

b-3/5=1/5

b=3/5+1/5

b=4/5

c-2/6=3/6

c=2/6+3/6

c=5/6

7/9-a=2/9

a=7/9-2/9

a=5/9

5/6-b=1/6

b=5/6-1/6

b=4/6

4/8-c=1/8

c=4/8-1/8

c=3/8

a+1/2=2/2

a=2/2-1/2

a=1/2

3/5+b=4/5

b=4/5-3/5

b=1/5

7/8-c+1/8=2/8

7/8-c=2/8-1/8

7/8-c=1/8

c=7/8-1/8

c=6/8