Jika ab = ab(a+b), maka (12)*3 = A) 6 B) 12 C) 82 D) 96 E) 162

Question

SBMPTN Diposting : 2018-03-19 Diupdate : 2018-03-23 Yohana99

Pertanyaan

Jika a*b = ab(a+b), maka (1*2)*3 =
A) 6
B) 12
C) 82
D) 96
E) 162

Answer 1

a*b = ab(a+b)

(1*2)*3 = .....

1*2 = 1 . 2 (1+2)
= 2 (3)
= 6

(1*2)*3 = 6*3
= 6 . 3 (6+3)
= 18 (9)
= 162

E jawabannya