Question

afla fracția necunoscuta( termenul necunoscut):b-3/5=1/5, c-2/6=3/6,7/9-a=2/9 a+1/2=2/2,7/8-c+1/8=2/8​

Answer 1

b-3/5=1/5

b=1/5+3/5

b=4/5

c-2/6=3/6

c=3/6+2/6

c=5/6

7/9-a=2/9

a=7/9-2/9

a=5/9

a+1/2=2/2

a=2/2-1/2

a=1/2

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