2026-05-1738650.84 KB4页47
2026-05-172000157.07 KB6页158
2026-05-1781931.83 KB4页3
2026-05-1791029.38 KB5页176
2026-05-1718430.87 KB3页147
2026-05-1717865.88 KB6页299
2026-05-1764429.39 KB6页79
2026-05-1756725.55 KB6页8
2026-05-1773737.81 KB3页144
2026-05-17870104.32 KB6页30
2026-05-17106726.06 KB4页26
2026-05-17182026.44 KB6页239
第1讲集合(时间:45分钟)1.[2025·全国二卷]已知集合A={-4,0,1,2,8},B={x|x3=x},则A∩B=()A.{0,1,2}B.{1,2,8}C.{2,8}D.{0,1}2.[2025·全国一... 2026-05-1755724.98 KB3页98
2026-05-1721684.24 KB6页210
第一单元预备知识第1讲集合1.D[解析]B={x|x(x-1)(x+1)=0}={0,-1,1},则A∩B={0,1}.2.C[解析]因为U={1,2,3,4,5,6,7,8},A={1,3,5},所以∁UA={2... 2026-05-1760325.55 KB3页300
2026-05-1717222.06 KB4页82
2026-05-17134468.72 KB4页37
2026-05-1711836.16 KB5页212
2026-05-1715127.58 KB3页230
2026-05-17179727.37 KB3页286
