Resposta :
Resposta:
Explicação passo a passo:
a.
1/5+1/2+1/4=
4/20+10/20+5/20=
14/20+5/20=
19/20
b.
1/6+3/8+3/4=
4/24+9/24+18/24=
13/24+18/24=
31/24
Resposta:
a.
1/5+1/2+1/4
4/20+10/20+5/20
14/20+5/20
19/20
b.
1/6+3/8+3/4
4/24+9/24+18/24
13/24+18/24
31/24
Explicação passo-a-passo: