600,580,560,540 A= B= UN=
Matematika
thoooriq777
Pertanyaan
600,580,560,540 A= B= UN=
1 Jawaban
-
1. Jawaban frankykawi3
u1=a
u1=600
u2= 580
b = u2-u1
= 580-600
= -20
un = a + (n-1)b
un = 600+(n-1)(-20)
un = 600-20n+20
un = -20n+620