10. Jika n = 15, hitunglah n – 9.
Jawaban: 15 – 9 = 6
11. Jika o = 7, hitunglah o x 4.
Jawaban: 7 x 4 = 28
12. Jika p = 16, hitunglah p : 4.
Jawaban: 16 : 4 = 4
10. Jika n = 15, hitunglah n – 9.
Jawaban: 15 – 9 = 6
11. Jika o = 7, hitunglah o x 4.
Jawaban: 7 x 4 = 28
12. Jika p = 16, hitunglah p : 4.
Jawaban: 16 : 4 = 4