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1
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0.75+\sqrt{0.5625-0.5}
Calculate 0.75 to the power of 2 and get 0.5625.
0.75+\sqrt{0.0625}
Subtract 0.5 from 0.5625 to get 0.0625.
0.75+0.25
Calculate the square root of 0.0625 and get 0.25.
1
Add 0.75 and 0.25 to get 1.
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