.Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the.Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the set {x ∈ V | x ∈ A and x ∈ B}.The union of A and B,

Let Ben and Tom ( )good friends.A is B are C be D will be ( )Let john and jack______our friends.A.be B.to be C.are D.is Supper__ ready and let's go and have___ A.may be,supper B.is,it let you and ( )friends.A I am B I are Cme are D me be Let me introduce my sister____you.A.to B.for C.and D.be .Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the.Let A and B be vector subspaces of a vector space V .The intersection of A and B,A ∩ B,is the set {x ∈ V | x ∈ A and x ∈ B}.The union of A and B, 证明1.Let A,B,and C be sets.Prove thatA∪包含 (A∪B ∪C).2.Let A,B,and C be sets.Prove that(A-C)∩(C -B) = 空集 let a,b and c be rational numbers and b=0.24-0.26a,c=0.26-0.24a,then a^2-b^2+c^2= let a,b and c be rational numbers and b=0.24-0.26a,c=0.26-0.24a,then a^2-b^2+c^2= Let a,b and c be ration numbers and b=12/5-13/5a,c=13/5-12/5a.then a2-b2+c2=? Let you and _____good friends.A.I am B.me be C.me are D.I are(选择 求助一道matlab坐标系的题目题目是：Input a non-variable vector in rectangular coordinates and obtain the cylindrical, or spherical components. Must enter the point location where this transformation occurs; the result depends on the vect 一.三个互不相等的有理数,即可分别表示为1,a+b,a的形式,又可分别表示为0,a/b,b的形式,则a^2000+b^2001＝?二.Let a be integral part of 根号2 and b be its decimal part.Let c be the integral of π（派） and d be the decim Let us ____good friends and always help each other.A.to be B.are C.be D.get回答写理由快 The book is borrowed from the library .You ___your children put dots andlines here and there.A.shouldn’t be letting B.needn’t have let C.ought not to have let to D.mustn’t have let为什么 Let is ( )pen friends.A:be B:are C:is Let's go and _________.A.playing B.play basketball Tom,Let,s play__that ball.A.with B./ C.and