Jawaban:
Cara 1:
2 4 6
2 2+2 2+4
a a+2 a+4
a + a + 2 + a + 4 = 90
3a + 6 = 90
3a = 90 – 6
3a = 84
a = 84/3
Jawaban:
Cara 1:
2 4 6
2 2+2 2+4
a a+2 a+4
a + a + 2 + a + 4 = 90
3a + 6 = 90
3a = 90 – 6
3a = 84
a = 84/3
Editor: Suci Annisa Caroline