Question

resolver as expressões.
ajuda.

(-1/3).(+2/5)÷(-1/3).(+2/5)=

(-2/3)÷(-1/5).(+2/3)÷(-1/5)=​

Answer 1

Resposta:

Explicação passo-a-passo:

 (-1/3).(2/5)÷(-1/3).(2/5)=

        - 2/15 ÷ ( - 2/15) =

       - 2/15  .  ( - 15/2) =

               30/30  =  1

(-2/3)÷(-1/5) . (+2/3)÷(-1/5)=​

(-2/3).(-5/1)  .  (+2/3) . (-5/1) =

       + 10/3  .   (-10/3)  =

               - 100/9

Answer 2

Resposta:

(-1/3) × (2/5) : (-1/3) × (2/5)

-1/3 × 2/5 : -1/3 × 2/5

-2/15 : -1/3 × 2/5

-2/15 × -3 × 2/5

6/16 × 2/5

2/5 × 2/5

4/25

(-2/3) : (-1/5) × (2/3) : (-1/5)

-2/3 : -1/5 × 2/3 : -1/5

-2/3 × -5 × 2/3 × -5

10/3 × 2/3 × -5

20/9 × -5

-100/9

Espero Ter Ajudado !!