(- 5/4)·(-1 - 6/9 + 1/5) - (3/2 + 1.75 - 1/2 - 5/4 + 1)^2 + 5=
=(- 5/4)·(-1 - 2/3 + 1/5) - (3/2 + 7/4 - 1/2 - 5/4 + 1)^2 + 5=
=(- 5/4)·(- 22/15) - (5/2)^2 + 5=
=11/6 - 25/4 + 5 = 7/12
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