Page 24 - Demo

223456%u041d%u0430 %u043f%u0440%u0438%u043c%u0435%u0440: %u0410 = {1, 2, 3, 4} B = {2, 4, 5}%u0410 \\ B = {1, 3}B \\ %u0410 = {5}%u0413%u0440%u0430%u0444%u0438%u0447%u043a%u0438 %u043f%u0440%u0438%u043a%u0430%u0437%u041e%u0441%u0435%u043d%u0447%u0435%u043d%u0438 %u0434%u0435%u043e %u043f%u0440%u0435%u0434%u0441%u0442%u0430%u0432%u0459%u0430 %u0441%u043a%u0443%u043f %u0410 \\ B.%u0410 1 B3245%u0410 1 B3245%u0417%u0430 %u043e%u043f%u0438%u0441 %u0440%u0430%u0437%u043b%u0438%u043a%u0435 %u0434%u0430%u0442%u0438%u0445 %u0441%u043a%u0443%u043f%u043e%u0432%u0430 %u043a%u043e%u0440%u0438%u0441%u0442%u0438 %u0441%u0435 %u0440%u0435%u0447%u0446%u0430 %u043d%u0435.%u0410 B%u0414%u0430%u0442%u0438 %u0441%u0443 %u0441%u043a%u0443%u043f%u043e%u0432%u0438 %u0410 = {2, 3, 8} %u0438 B = {2, 4, 8, 9}.%u0430) %u041e%u0434%u0440%u0435%u0434%u0438 %u0441%u043a%u0443%u043f%u043e%u0432%u0435 %u0410 \\ B %u0438 B \\ %u0410.%u0431) %u041e%u0431%u0440%u0430%u0437%u043b%u043e%u0436%u0438 %u0437%u0430%u0448%u0442%u043e %u0458%u0435 3 %u2208 %u0410 \\ B.%u0414%u0430%u0442%u0438 %u0441%u0443 %u0441%u043a%u0443%u043f%u043e%u0432%u0438 C = {11, 15, 20, 25} %u0438 D = {15, 20, 30}. %u0417%u0430%u043f%u0438%u0448%u0438 %u0435%u043b%u0435%u043c%u0435%u043d%u0442%u0435 %u0441%u043a%u0443%u043f%u043e%u0432%u0430 C \\ D %u0438 D \\ C.%u041d%u0430 %u043e%u0441%u043d%u043e%u0432%u0443 %u0441%u043b%u0438%u043a%u0435 %u0437%u0430%u043f%u0438%u0448%u0438 %u0441%u043a%u0443%u043f%u043e%u0432%u0435 A, B, %u0410 \\ B %u0438 B \\ %u0410 %u043d%u0430%u0431%u0440%u0430%u0458%u0430%u045a%u0435%u043c %u0435%u043b%u0435%u043c%u0435%u043d%u0430%u0442%u0430.%u0410 B1347 5%u041e%u0434%u0440%u0435%u0434%u0438 %u0441%u043a%u0443%u043f:%u0430) {1, 0, 10} \\ {10} %u0431) {2, 1, 5} \\ {3, 4} %u0432) {2, 5} \\ {2, 5, 3} %u0433) {5, 6, 7} \\ %u00d8 %u0434) %u00d8 \\ {3, 8}. %u041f%u0420%u041e%u0412%u0415%u0420%u0418 %u0428%u0422%u0410 %u0417%u041d%u0410%u04281. %u041e%u0434%u0440%u0435%u0434%u0438:{1, 11, 21} \\ {1, 21} %u0438 {1, 21} \\ {1, 11, 21}2. %u041d%u0430 %u043e%u0441%u043d%u043e%u0432%u0443 %u0412%u0435%u043d%u043e%u0432%u043e%u0433 %u0434%u0438%u0458%u0430%u0433%u0440%u0430%u043c%u0430 %u043e%u0434%u0440%u0435%u0434%u0438: A %u2229 B, A \\ B, B \\ A %u0438 A %u222a B.%u0410B1 3 472