Question

A)5/7 + 1/2

B)7/9 - 1/2

C)3/6 + 6/18

Answer 1

a) 5/7 + 1/2

5+1=6

7+2=9

{6,9}

B) 7/9 - 1/2

7 - 1= 6

9 - 2=7

{6,7}

C)3/6 + 6/18

3+6=9

6+18=24

{9,24}.

Espero ter lhe ajudado, bons estudos.