descubra a fração geratriz das seguintes dizimas perioticas
0,444...
0,3636...
1,415415415415...
0,234343...
1,112222...
0,00444...
Soluções para a tarefa
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0,444
x=0,444.(10)
10x=4,444
- x=0,444
9x=4
x=4/9
0,3636
x=0,3636.(100)
100x=36,3636
- x= 0,3636
99x=36
x=36/99
36:3 12:3 4
---- = ------ = ------
99:3 33:3 11
A fração geratriz é 4/11
1,415415415415
x=1,415415415415.(10)
10x=14,415415415415.(100)
1000x=1415,415415415415
- 10x= 14,415415415415
990x=1401
x=1401/990
1401:3 467
------ = -------
990:3 330
A fração geratriz é 467/330
0,234343
x=0,234343.(10)
10x=2,234343.(100)
1000x=234,234343
- 10x= 2,234343
990x=232
x=232/990
232:2 116
------ = ------
990:2 495
1,112222
x=1,112222.(10)
10x=11,112222.(100)
1000x=1112,112222
- 10x= 11,112222
990x=1101
x=1101/990
1101:3 367
------ = ------
990:3 330
0,00444
x=0,00444.(10)
10x=0,00444.(100)
1000x=4,00444
- 10x=0,00444
990x=4
x=4/990
x=0,444.(10)
10x=4,444
- x=0,444
9x=4
x=4/9
0,3636
x=0,3636.(100)
100x=36,3636
- x= 0,3636
99x=36
x=36/99
36:3 12:3 4
---- = ------ = ------
99:3 33:3 11
A fração geratriz é 4/11
1,415415415415
x=1,415415415415.(10)
10x=14,415415415415.(100)
1000x=1415,415415415415
- 10x= 14,415415415415
990x=1401
x=1401/990
1401:3 467
------ = -------
990:3 330
A fração geratriz é 467/330
0,234343
x=0,234343.(10)
10x=2,234343.(100)
1000x=234,234343
- 10x= 2,234343
990x=232
x=232/990
232:2 116
------ = ------
990:2 495
1,112222
x=1,112222.(10)
10x=11,112222.(100)
1000x=1112,112222
- 10x= 11,112222
990x=1101
x=1101/990
1101:3 367
------ = ------
990:3 330
0,00444
x=0,00444.(10)
10x=0,00444.(100)
1000x=4,00444
- 10x=0,00444
990x=4
x=4/990
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