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【简答题】
若随机变量ξ在(1，6)上服从均匀分布，则方程x 2 +ξx+1=0有实根的概率是______．
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皮皮学刷刷变学霸
举一反三
【单选题】Spend your time just on the things you find _______.A．being worth your whileB．them worth doingC．w
A.
4. Spend your time just on the things you find _______. A．being worth your while
B.
them worth doing
C.
worth being done
D.
to be worth doing
【单选题】Can £1 paid for a car worth £100,000 be valid as consideration in contract?
A.
yes
B.
no
C.
not sure
D.
to be confirmed
【简答题】已知 ,求近似值 的有效数字或 准确数位.
【简答题】张教授在对口腔医生进行上岗培训时，指出口腔医务人员发生口腔临床感染的主要危险来自于
【单选题】When is a contract concluded? 4
A.
The date of signing the contract.
B.
The time of reaching an agreement.
C.
The arrival of an effective acceptance.
D.
The period of drafting the contract.
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