jika A =18 dan b =12, maka 4* (a-b) 3* (a+b)=

Kelas 7 Matematika
Bab Aljabar

4 . (a - b) . 3 (a + b)
= 4 . (18 - 12) . 3 . (18 + 12)
= 4 . 6 . 3 . 30
= 2.160

==Jawaban==

4* (a-b) 3* (a+b)
= 4*(18-12) 3*(18+12)
= 4*(6) 3*(30)
= 24*90
= 2160