A 7×2/9-5×4/9
B. 2/5×9+4/5×6.
C 3/7×9-3/7×12
Tentukan hasil perkalian dengan menggunakan hukum distributif
A. 2/9 x (7-5×2)
2/9 x (7-10)
2/9 x -3
-6/9 = -2/3
b. 2/5 x (9+2×6)
2/5 x (9+12)
2/5 x 21
42/5 = 8 2/5
c. 3/7 x (9-12)
3/9 x -3
-9/9 = -1