Calculation函数用以进行数学四则运算，当运算符为（）时输入参数的顺序存在逻辑关系

A.秦九韶

B.李冶

C.杨辉

D.李善兰

A．Y

B．N

C．NG

We were warned that even a slight ________ in calculation might ruin the whole project.

A．mistake

B．fault

C．flaw

D．error

A、You've made a few calculation mistakes.

B、There are a few mistakes in your calculations.

According to the passage, DNA fingerprinting can be unreliable when ______.

A．the methods Used of blood cell calculation are not accurate

B．two different individuals of the same ethnic group may have the same DNA fingerprinting pattern

C．a match is by chance left with fingerprints that happen to belong to two different individuals

D．two different individuals leave two DNA samples

How does a consumer trade off current and future costs when selecting an air conditioner or other major appliance？ How could this selection be aided by an NPV calculation？

What is the difference between a real discount rate and a nominal discount rate？ When should a real discount rate be used in an NPV calculation, and when should a nominal rate be used？

What is the basis of the researchers' new theory？

A．They performed mathematical calculations and determined that dinosaurs must have had four chambered hearts.

B．They found a fossil of an entire dinosaur end reviewed the arteries and veins flowing from and to the heart.

C．They found a fossil of a dinosaur's heart and discovered it had four chambers and one aorta.

D．They viewed a fossil of a dinosaur's heart and discovered that it had two aortas.

B.The extent to which manual processing of price determination is possible

C.The subtotals (net price and effective price) for time-dependent conditions

D.The condition types that do not play a role in the price determination process

E.The basis on which the system calculates surcharges and discounts in percentages