更多"cout<<'Area of this rectangle is: '"的相关试题:
[单项选择]有如下四个语句:
①cout<<’A’< ②cout< ③cout<<’A’< ④cout< 其中能显示A******B的是( )。
A. ①和③
B. ①和④
C. ②和③
D. ②和④
[单项选择]对于语句“cout<
A. *********1*2
B. ********12
C. *******1*2
D. 12********
[单项选择]执行下列语句后,输出结果为( )。
cout.put(’S’);
cout<<’C’<<’a’;
A. ca
B. sca
C. S
D. a
[单项选择]else cout < < i;
A. 25
B. 36
C. 258
D. 369
[填空题]cout<<’/n’还可以表示为 [14] ,cout. width(10)还可表示为 [15] 。
[单项选择]Rectangle PQRS lies in the xy-coordinate plane so that its sides are not parallel to the axes. What is the product of the slopes of all four Sides of rectangle PQRS
A. -2
B. -1
C. 0
D. 1
E. 2
[单项选择]If the width of a rectangle is increased by 25% while the length remains constant, the resulting area is what percent of the original area ?()
A. 25%
B. 75%
C. 125%
D. 225%
E. Cannot be determined from the information given.
[单项选择]The width of a rectangle is 6 cm less than the length. If the perimeter of the rectangle is 48 cm, what is the length of the rectangle in centimeters ?()
A. 48
B. 15
C. 12
D. 9
E. 6
[填空题]cout. put(’A’) ;,还可以表示为 。
[填空题]语句cout<<’/n’还可表示为 【15】 。
[填空题]表达式cout<<hex还可表示为______。
[填空题]语句cout < < ’’/n’’还可表示为【 】。
[填空题]下列程序段的输出结果是 。
cout < < fixed < < 509.123456789 < < endl;