U5=31, U9=59, U12= diketahui artimetika
B. Indonesia
Mugi1Saputra
Pertanyaan
U5=31, U9=59, U12= diketahui artimetika
1 Jawaban
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1. Jawaban clonofo
U12 = U9 + 3b
[tex]b = \frac{ u_{9} - u_{5}}{ 9 - 5 } [/tex]
b = (59-31)/4 = 7
U12 = 59 + 3×7
= 80
jadi U12 = 80
semoga jelas dan bermanafaat