2023高考数学集合专题练习有答案一单选题1已知集合119860119909119910lg21199091198611199101199101199091则119877119860119861A12B12C0D022已知集合Ax3xx20Bx4x1则AABx4x3BABRCBADAB3已知集合1198721199091199091则119872119873A120567B1199091199094已知集合11986010121198611199091119909A12B2C10D125设UR11986011990911990901198611199091199091则119860119862119880119861A11990911990916若集合Axmx22xm0mR中有且只有一个元素则m的取值集合是A1B1C01D1017集合11986011990911199091119861119909119886111990921198861若119861119860则实数119886的取值范围是A1B1C01D018集合A101的子集个数是A5B8C16D329已知元素a0123且a12