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【简答题】
已知△ABC的三个内角A、B、C的对边分别为a、b、c，若a、b、c成等差数列，且2cos2B-8cosB+5=0，求角B的大小，并判断△ABC的形状。
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皮皮学刷刷变学霸
举一反三
【单选题】four properties and five flavors 中文译为:
A.
四个特点,五种味道
B.
四个特点和五种味道
C.
四气和五味
D.
四种气质和五种味道
【多选题】The four natures in Chinese traditional medicine refer to the properties of ______.
A.
coldness
B.
heat
C.
mildness
D.
coolness
【简答题】以下关于套利行为描述不正确的是（ ）。
【简答题】The four properties of a transaction are: Atomicity, Consistency, ___________, and Durability.
【单选题】● C++ fully supports （72） programming, including the four properties: encapsulation, data hiding, inheritance, and polymorphism. （72）
A.
computer-oriented
B.
procedure-oriented
C.
object-oriented
D.
aspect-oriented
【简答题】C++ fully supports ______ programming，including the four properties: encapsulation, data hiding, inheritance, and polymorphism. A．computer-oriented B．procedure-oriented C．object-oriented D．aspect-orie...
【多选题】A transaction has four properties, they are:
A.
Consistency
B.
Durability
C.
Atomicity
D.
Isolation
E.
Security
【多选题】The four natures in Chinese traditional medicine refer to the properties of .
A.
heat
B.
coolness
C.
coldness
D.
mildness
【多选题】The Chinese medicinal herbs are characterized by four properties:
A.
cold
B.
heat
C.
warm
D.
cool
E.
wet
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