tolong y no 3 nya ajh...

jawabannya =
a. (32:2)+(-12×(-4)) =
16-48 = -32

B. 5 3/4-4 2/3+1/2 = 5 12/12- 4 6/12+6/12 = 1 12/12 = 1 1/1

semoga membantu