18,23,28,33,36,43,...,... Ada yg tau kah ? Deret matika.
Matematika
Jar97
Pertanyaan
18,23,28,33,36,43,...,...
Ada yg tau kah ? Deret matika.
Ada yg tau kah ? Deret matika.
1 Jawaban
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1. Jawaban yumnaadibah199
Un = a + (n-1) b
U1 = a = 18
U2 = a + b = 23
18 + b = 23
b = 5
U7 = a + 6b = 18 + 6 . 5 = 18 + 30 = 48
U8 = a +7b = 18 + 7 . 5 = 18 + 35 = 53