Question

quanto é 1-3/10-2/5
por favor me ajudem

Answer 1

1-3/10-2/5
7/10-3/10
2/5

Answer 2

Resposta:

3/10

Explicação passo a passo:

1 - 3/10 - 2/5=

1=1/1 x 10= 10/10 - 3/10= 3/10 - 2/5= 2/5 x 2= 4/10

10/10 - 3/10 - 4/10= 10 - 3 - 4/10= 10/10 - 3/10=7/10 - 4/10= 3/10