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- 1关于x的一元一次方程x的平方-3x-k=0有两个不相等的实数根,求k的取值范围?
- 2I'm tired of thinking something ,and I know I'm a quick tempe中文是什么意思.
- 3校体育室买来篮球4只,排球8只,共花了320元.已知1只篮球的价钱与2只排球的价钱相等,篮球每只几元?排球每只几元?
- 4She got to the railway only to be told the train had gone中to be told为什么不用beng told
- 5作文:《那天,我真高兴》怎么写
- 6My mistake made her ____(生气) She said to me ____(生气)."Don't do that again!"
- 7《为人民服务》主要内容!简单点
- 8the hotel is (between ①)the post office( to②) the restaurant (on this street③)
- 9用适当形式填空 The cup dropped on the floor and it is ____(break) into pieces
- 10两根同样长的铁丝,一根用去了三分之一,另一根用去了三分之一米,剩下的铁丝哪根长?