Respuesta :

jfkapnjack
12 x 2 = 24
12 x 1/2 = 6
24 + 6 = 30
30
choixongdong
12 x 2 1/2
= 12(2 + 1/2)
= 12(2) + 12(1/2)
= 24 + 6
= 30