5 whole 3/5 +2 whole 1/2 -0.785+3 (12-7) =
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3
Answer:
- 7.685
Step-by-step explanation:
5 whole 3/5 = 28/5
2 whole 1/2 =5/2
28/5 + 5/2 - 0.785 +3(5)
=56/10 + 25/10 - 0.785 + 15
=81/10 - 0.785 + 15
=8.1 - 15.785
= - 7.685
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