Baris bilangan 12,20,30,42,56 suku ke 22?
Matematika
Avenger28
Pertanyaan
Baris bilangan 12,20,30,42,56 suku ke 22?
2 Jawaban
-
1. Jawaban felixchrs
un= a+(n-1)b
U22= 12 + (22-1) 2
= 12+44
=66 -
2. Jawaban Wekaaa1
Un= a+(n-1)b
= 12+(22-1)2
= 12+(21)2
= 12+42
= 54