12(1/2)2+15(1/2)+3 solve this question step by step
Answers
Answered by
0
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)
Answered by
0
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
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