Question

12(1/2)2+15(1/2)+3 solve this question step by step​

Answer 1

Answer:

22.5

Step-by-step explanation:

12(1/2)×2+15(1/2)+3

→12+15/2+3

→(24+15+6)/2

→45/2

→22.5 (ans)

Answer 2

Answer:

-3/2 is the answer from Brainliest

Step-by-step explanation:

12(1/2)^2-15(1/2)+3

3-15/2+3

6-15/2

12-15/2

=-3/2