suku ke 40 barisan bilangan 13,20,30,42... dan...
Matematika
titaaprilia1
Pertanyaan
suku ke 40 barisan bilangan 13,20,30,42... dan...
1 Jawaban
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1. Jawaban flagoncaw
U40= a + (n - 1) b
U40= 13 + (40 - 1) 20
U40= 13 + 780
U40= 793