Resposta :
Resposta:
Explicação passo a passo:
0,8=8/10
0,555...=5/9
3,2777...=
x=3,2777...
10x=32,777...
100x=327,777...
100x-10x=327,777....-32,777...
9x=295
x=295/9
0,8+0,555...+3,2777...-16:45=
8/10+5/9+295/9-16/45=
72/90+50/90+2950/90-32/90=
122/90+2950/90-32/90=
3072/90-32/90=
3070/90=
307/9