2009年6月2日，国际数学联盟宣布设立“（ ）”，纪念已故的“微分几何之父”。这是国际数学联盟首次以华人数学家命名的数学大奖。

“发展空间观念与几何直觉”是属于小学数学课程目标中的哪个目标

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

数学是研究数量、结构、变化以及空间模型等概念的一门学科。被称为“几何之父”、“数学王子”、首先使用“函数”一词者、提出“割圆术”的数学家分别是（　　）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。