Question

calcule e simplifique o resultado se possivel

15/8-2/4+7/5

1/10+7/10-3/10

7/8-2/8-1/8

10/3+7/5+3/2-1/4​

Answer 1

Resposta:

a) 111/40

b)1/2

c)1/4

d)359/60

Explicação passo-a-passo:

15/8-2/4+7/5

=15/8-1/2+7/5

=75-20+56/40

=111/40

1/10+7/10-3/10

=1+7-3/10

=5/10

=1/2

7/8-2/8-1/8

=7-2-1/8

=4/8

=1/2

10/3+7/5+3/2-1/4

=200+84+90-15/60

=359/60

Bons estudos!