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suma
pi 4*pi - -- + ---- 3 3
=
pi
producto
-pi 4*pi ----*---- 3 3
=
2 -4*pi ------ 9
-4*pi^2/9
-pi x1 = ---- 3
4*pi x2 = ---- 3
x2 = 4*pi/3
x1 = -90.0589894029074
x2 = -46.0766922526503
x3 = -51.3126800086333
x4 = 99.4837673636768
x5 = -83.7758040957278
x6 = 80.634211442138
x7 = 93.2005820564972
x8 = 60.7374579694027
x9 = -58.6430628670095
x10 = -64.9262481741891
x11 = 23.0383461263252
x12 = -11851.1346868919
x13 = -71.2094334813686
x14 = -1559.27715373173
x15 = -57.5958653158129
x16 = -38.7463093942741
x17 = 49.2182849062401
x18 = -5606.69568910658
x19 = -32.4631240870945
x20 = 29.3215314335047
x21 = 48.1710873550435
x22 = -20.943951023932
x23 = -77.4926187885482
x24 = -39.7935069454707
x25 = -2.0943951023932
x26 = 24.0855436775217
x27 = 55.5014702134197
x28 = 11.5191730631626
x29 = -101.57816246607
x30 = -63.8790506229925
x31 = -52.3598775598299
x32 = 79.5870138909414
x33 = 73.3038285837618
x34 = -33.5103216382911
x35 = -13.6135681655558
x36 = -151.843644923507
x37 = 54.4542726622231
x38 = 86.9173967493176
x39 = -89.0117918517108
x40 = -95.2949771588904
x41 = 4.18879020478639
x42 = -45.0294947014537
x43 = 98.4365698124802
x44 = -14.6607657167524
x45 = -27.2271363311115
x46 = -96.342174710087
x47 = 16.7551608191456
x48 = 10.471975511966
x49 = -19.8967534727354
x50 = -82.7286065445312
x51 = 92.1533845053006
x52 = -1.0471975511966
x53 = 67.0206432765823
x54 = 42.9350995990605
x55 = 61.7846555205993
x56 = -114.144533080429
x57 = -76.4454212373516
x58 = 393.746279249921
x59 = 35.6047167406843
x60 = 17.8023583703422
x61 = 85.870199198121
x62 = -26.1799387799149
x63 = -70.162235930172
x64 = -8.37758040957278
x65 = 41.8879020478639
x66 = 30.3687289847013
x67 = 36.6519142918809
x68 = 68.0678408277789
x69 = 74.3510261349584
x70 = -7.33038285837618
x71 = 5.23598775598299
x71 = 5.23598775598299