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document.createElement("ul");//可以创建一个ul元素,但是不会自动追加到相应的父元素里面

A. 对
B. 错

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mathematical analysis

A. symbolized arithmetic
B. interconnection between variables
C. a rectangular array of numeric or algebraic quantities subject to mathematical operations
D. a statement of equality between two equal numbers or number systems
E. the study of variables and their relationships

algebra

A. symbolized arithmetic
B. interconnection between variables
C. a rectangular array of numeric or algebraic quantities subject to mathematical operations
D. a statement of equality between two equal numbers or number systems
E. the study of variables and their relationships

calculus

A. a statement of equality between two equal numbers or number systems
B. the study of variables and their relationships
C. the branch of mathematics concerning points,lines,angles,surfaces and solids
D. mathematical treatment concerned with random events
E. differentiation and integration

function

A. symbolized arithmetic
B. interconnection between variables
C. a rectangular array of numeric or algebraic quantities subject to mathematical operations
D. a statement of equality between two equal numbers or number systems
E. the study of variables and their relationships

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