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сумма
2 + acos(-1/6) + 2 - acos(-1/6) + 2*pi
=
4 + 2*pi
произведение
2 + acos(-1/6) * 2 - acos(-1/6) + 2*pi
=
(2 + acos(-1/6))*(2 - acos(-1/6) + 2*pi)
x_1 = 2 + acos(-1/6)
x_2 = 2 - acos(-1/6) + 2*pi
x1 = -56.2869121706309
x2 = -77.94316458732
x3 = 35.1541709419125
x4 = -84.2263498944996
x5 = -43.7205415562717
x6 = 75.6599792801404
x7 = 104.269209320888
x8 = -27.6776821298833
x9 = -8.82812620834459
x10 = 85.4196533993492
x11 = -93.9860240137084
x12 = 50.5272380514221
x13 = -46.5272380514221
x14 = 56.8104233586017
x15 = 28.8709856347329
x16 = 60.2869121706309
x17 = 91.7028387065288
x18 = -75.1364680921696
x19 = 22.5878003275533
x20 = -90.5095352016792
x21 = 81.94316458732
x22 = 44.2440527442425
x23 = -21.3944968227038
x24 = -62.5700974778104
x25 = 12.8281262083446
x26 = -96.7927205088588
x27 = 16.3046150203738
x28 = 41.4373562490921
x29 = -37.4373562490921
x30 = 10.0214297131942
x31 = -52.8104233586017
x32 = 79.1364680921696
x33 = 63.0936086657813
x34 = -65.3767939729609
x35 = 0.261755593985414
x36 = 94.5095352016792
x37 = -71.6599792801404
x38 = 54.0037268634513
x39 = -12.3046150203738
x40 = 3.73824440601459
x41 = 31.6776821298833
x42 = 66.5700974778104
x43 = -87.7028387065288
x44 = -33.9608674370629
x45 = -50.0037268634513
x46 = -81.4196533993492
x47 = -40.2440527442425
x48 = 6.544940901165
x49 = -24.8709856347329
x50 = -68.85328278499
x51 = 47.7205415562717
x52 = 100.792720508859
x53 = 25.3944968227038
x54 = -6.02142971319417
x55 = -2.544940901165
x56 = -15.1113115155242
x57 = 37.9608674370629
x58 = 88.2263498944996
x59 = -100.269209320888
x60 = -31.1541709419125
x61 = 72.85328278499
x62 = 19.1113115155242
x63 = 97.9860240137084
x64 = -18.5878003275533
x65 = -59.0936086657813
x66 = 69.3767939729609
x66 = 69.3767939729609