设全集 ,集合 ,则 ( )/ananas/latex/p/35172
举一反三
- 设 是正整数集合,,,则 f 。/ananas/latex/p/63479/ananas/latex/p/2116060/ananas/latex/p/2116061
- 设,在内,则在内( )/ananas/latex/p/243901/ananas/latex/p/22409/ananas/latex/p/243903/ananas/latex/p/2154/ananas/latex/p/22992
- 设Ω{1,2,…,10},{2,3,4},{3,4,5},则/ananas/latex/p/1591/ananas/latex/p/37739/ananas/latex/p/37740/ananas/latex/p/502945
- 设可微,且,则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324
- 设集合,下列说法中确切的数量有个 (1); (2); (3); (4);/ananas/latex/p/1802644/ananas/latex/p/954674/ananas/latex/p/954669/ananas/latex/p/954660/ananas/latex/p/954656