[ImgBot] Optimize images

*Total -- 748.46kb -> 621.02kb (17.03%)

/Università/AlgebraGeormetria/vx_images/387512709268600.png -- 36.98kb -> 15.82kb (57.22%)
/Università/AnalisiMatematica2/vx_images/145026305615214.png -- 49.21kb -> 22.03kb (55.24%)
/Università/AlgoritmiStruttureDati/vx_images/163812216268499.png -- 67.20kb -> 55.99kb (16.68%)
/Università/AlgoritmiStruttureDati/vx_images/486084188889359.png -- 68.71kb -> 57.58kb (16.2%)
/Università/AlgoritmiStruttureDati/vx_images/310112717576001.png -- 68.96kb -> 57.93kb (15.99%)
/Università/AlgoritmiStruttureDati/vx_images/64852598826022.png -- 104.53kb -> 88.37kb (15.46%)
/Università/AlgoritmiStruttureDati/vx_images/421803324940955.png -- 52.70kb -> 45.01kb (14.59%)
/Università/AlgoritmiStruttureDati/vx_images/260206600615204.png -- 42.76kb -> 37.28kb (12.82%)
/Università/AlgoritmiStruttureDati/vx_images/130594698826101.png -- 8.61kb -> 7.62kb (11.5%)
/Università/AnalisiMatematica2/vx_images/492614796826122.png -- 191.41kb -> 177.37kb (7.33%)
/Università/AnalisiMatematica2/vx_images/94846892889348.png -- 57.40kb -> 56.02kb (2.4%)

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