【简答题】a,b,c是小于4的整数,且a<b<c,若a+b+c=abc,则这样的整数a,b,c有哪几组______.
【单选题】设a,b∈R,且b≠0,若复数(a+bi) 2 ∈R,则这个实数必为( )
【简答题】Both sides have accused __________ of breaking the contract. A.another B.the other C.neither D.each
【单选题】Both sides have accused of breaking the contract ___.
【单选题】To maintain a nice relationship, both sides are advised to focus on _______ they have in common.
【单选题】To maintain a nice relationship, both sides are advised to focus on _________ they have in common.
【单选题】若三角形的三条边的长分别为a,b,c,且a 2 b-a 2 c+b 2 c-b 3 =0,则这个三角形一定是( )
【单选题】Both sides have accused of breaking the contract of ____.
【简答题】若a>b,且b>c,则a 【 】 c,这是不等式的性质 【 】 ;也叫做不等式的 【 】 性;同理:若a3,c>b,则a【 】b,c【 】3