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5
0,4444...
x=0,4444...
10x=4,4444...
10x-x=4,444...-0,4444..
9x=4
x=4/9
0,3333....
y=0,3333....
10y=3,3333...
10y-y=3,333...-0,333...
9y=3
y=3/9
y=1/3
b.Va=
1/3.V4/9=
1/3.2/3=
2/9
Resp: b
x=0,4444...
10x=4,4444...
10x-x=4,444...-0,4444..
9x=4
x=4/9
0,3333....
y=0,3333....
10y=3,3333...
10y-y=3,333...-0,333...
9y=3
y=3/9
y=1/3
b.Va=
1/3.V4/9=
1/3.2/3=
2/9
Resp: b
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