Question

a) -7/6+8/9 b)-1/4+3/10 c) 7/9-5/6-2/3+1/2​

Answer 1

Resposta:

Explicação passo-a-passo:

-7/6+8/9=

-21/18+16/18=

-5/18

-1/4+3/10=

-5/20+6/20=

1/20

7/9-5/6-2/3+1/2=

14/18-15/18-6/18+9/18=

-1/18-6/18+9/18=

-7/18+9/18=

+2/18=

+1/9