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Verified answer
Kelas : VII SMPMapel : Matematika
Bab : Bilangan
Indikator : Bilangan Rasional
Langkah Penyelesaian dan Jawaban :
Misalkan 0, 151515... adalah x, maka :
x = 0, 151515...
100x = 15, 1515...
- Selisihkan dengan x :
100x - x = 15, 1515... - 0, 151515...
99x = 15
x = 15/99
a + b = 15 + 99
a + b = 114
Atau, jika disederhanakan :
15/99 = 5/33
a + b = 5 + 33
a + b = 38