10 per 7 x 4 + 6 per 3 x3

dik :

10/7 x 4 + 6/3 x 3

jika yang dimaksudkan:  1)

= (10 x 4 ) /7 + (6×3)/6

= 70/4 + 3

= 70/4 + 12/4

= 82/4 = 41/2 = 20 1/2

jika yang dimaksudkan:  2)

= 10 / (7×4) + 6 / (3×3)

= 10/28 + 6/9

= 5/14 + 2/3

= 15/42 + 28/42

= 43/42 = 1  1/42

semoga membantu