[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7JEI2BkOP3RlGctmyRrqbj2I43t2aFIB4amecZoc98E":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":15,"related":16,"source":25,"type":26},[],"2023-11-28 11:27:40",109300720,[8,9,10],"elements with an even number of properties not have a sign","elements with an even number of properties have a sign (-)","elements with an even number of properties have a sign (+)",{"courseId":12,"courseImg":13,"courseName":14},"675ef813491ef96bb82a15ee70e1fad3","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","离散数学","What does Principle of Inclusion means?( )",[17,27,35,38,46,54,62,71,80,89],{"answer":18,"createTime":5,"id":19,"options":20,"question":24,"source":25,"type":26},[],109300712,[21,22,23],"Enumerator","agrigator","combinator","How we can call this function \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F31ecf501e81b3f5a468b031889c0ffb2.jpg\">?( )","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":34,"source":25,"type":26},[],109300716,[31,32,33],"A field of rational numbers","A field of natural numbers","A field of real numbers","Algebra A = < R; +, - > is called( )",{"answer":36,"createTime":5,"id":6,"options":37,"question":15,"source":25,"type":26},[],[8,9,10],{"answer":39,"createTime":5,"id":40,"options":41,"question":45,"source":25,"type":26},[],109300722,[42,43,44],"some algebraic operation with statements","analyze the content side of the statement","determine whether a certain statement is true or false at the moment","What means the logic of statements? ( )",{"answer":47,"createTime":5,"id":48,"options":49,"question":53,"source":25,"type":26},[],109300726,[50,51,52],"Permutations from elements of a given class","Permutations from elements of a given specification","Permutations from elements of a given type","Permutations with unlimited repetition is?( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":61,"source":25,"type":26},[],109300728,[58,59,60],"the field of matheatics, that studies how many different multiplications , subject to certainconditions, can be made up of given objects","the field of matheatics, that studies how many different combinations, subject to certain conditions,can be made up of given objects","the field of matheatics, that studies how many different additions, subject to certain conditions, can be made up of given objects","A combinatorics is( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":25,"type":26},[],109300730,[66,67,68,69],"Yes, No, Yes","No, Yes, Yes","No, No, No","Yes, Yes, Yes","Are the following sentences propositions? ___________.a) 2 + 3 = 5 b) x + 2 = 11 c) 3 +2 = 8 if 5-2 = 7",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":25,"type":26},[],109300735,[75,76,77,78],"{0, 2}","{4, 6}","{2, 4}","{6, 8}","Let A= {0, 2, 4, 6, 8, 9,10}, B= {0, 1, 2, 3, 4, 5, 6}, and C= {4, 5, 6, 7, 9, 10} , Find A\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae475f0158bd43dff71697258343fd76.png\">B\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fae475f0158bd43dff71697258343fd76.png\">C ________",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":25,"type":26},[],109300738,[84,85,86,87],"F,T","F, F","T, F","T, T","Let P(x) be the statement "the word x contains the letter e." What are these truth values? __________. a) P(orange). b) P(Lemon)",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":25,"type":26},[],109300740,[93,94,95,96],"1","3","4","2","What is the cardinality of the vowel set {Ø,a, {a}, {a,{a}}}__________"]