URGENTE!!!!!! (deixem as contas por favor)
calcule o valor de cada fração geratriz abaixo:
a)1,45222...
b)2,71333...
c)7,45333...
d)1,3444...
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A) 1,45222...
100x= 145,222...
1000x= 1452,222...
1000x-100x= 1452,222... - 145,222...
900x= 1307
x= 1307/900
B) 2,71333
100x= 271,333...
1000x= 2713,333...
1000x-100x= 2713,333... - 271,333...
900x= 2642
x= 2642/900
C) 7,45333...
100x= 745,333...
1000x= 7453,333...
1000x-100x= 7453,333... - 745,333...
900x=6708
x=6708/900
D) 1,3444...
10x= 13,444...
100x= 134,444...
100x-10x= 134,444... - 13,447...
90x= 121
x= 121/90
100x= 145,222...
1000x= 1452,222...
1000x-100x= 1452,222... - 145,222...
900x= 1307
x= 1307/900
B) 2,71333
100x= 271,333...
1000x= 2713,333...
1000x-100x= 2713,333... - 271,333...
900x= 2642
x= 2642/900
C) 7,45333...
100x= 745,333...
1000x= 7453,333...
1000x-100x= 7453,333... - 745,333...
900x=6708
x=6708/900
D) 1,3444...
10x= 13,444...
100x= 134,444...
100x-10x= 134,444... - 13,447...
90x= 121
x= 121/90
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