单选题If b = 4 and c = 7, what is the value of 3b- 5c?A-27B-23C3D6E20
单选题
If b = 4 and c = 7, what is the value of 3b- 5c?
A
-27
B
-23
C
3
D
6
E
20
参考解析
解析:
根据题干b=4,c=7,可知3b-5c= 3(4)-5(7) = 12-35 =-23
根据题干b=4,c=7,可知3b-5c= 3(4)-5(7) = 12-35 =-23
相关考题:
上下颌重度牙列拥挤减数矫治最常用的拔牙模式是A、1 4 2 4 3 4 4 4B、1 5 2 5 3 5 4 5C、1 7 2 7 3 7 4 7D、1 6 2 6 3 6 4 6E、1 4 2 4 3 5 4 5
When using simultaneous voice and multicast on a single WLAN and RF band, what is the recommended DTIM value of the WLAN for VoWLAN devices?()A、DTIM = 1B、DTIM = 2C、DTIM = 3D、DTIM = 4
1. public class SwitchTest { 2. public static void main (String []args) { 3. System.out.PrintIn(“value =” +switchIt(4)); 4. } 5. public static int switchIt(int x) { 6. int j = 1; 7. switch (x) { 8. case 1: j++; 9. case 2: j++; 10. case 3: j++; 11. case 4: j++; 12. case 5: j++; 13. default:j++; 14. } 15. return j + x; 16. } 17. } What is the output from line 3?() A、 Value = 3B、 Value = 4C、 Value = 5D、 Value = 6E、 Value = 7F、 Value = 8
public class SwitchTest { public static void main(String[] args) { System.out.println(“value = “ + switchIt(4)); } public static int switchIt(int x) { int j = 1; switch (x) { case 1: j++; case 2: j++; case 3: j++; case 4: j++; case 5: j++; default: j++; } return j + x; } } What is the result?() A、 value = 3B、 value = 4C、 value = 5D、 value = 6E、 value = 7F、 value = 8
public class SwitchTest { public static void main (String args) { System.out.PrintIn(“value =” +switchIt(4)); } public static int switchIt(int x) { int j = 1; switch (x) { case 1: j++; case 2: j++; case 3: j++; case 4: j++; case 5: j++; default:j++; } return j + x; } } What is the output from line 3? ()A、 Value = 3B、 Value = 4C、 Value = 5D、 Value = 6E、 Value = 7F、 Value = 8
单选题public class SwitchTest { public static void main (String args) { System.out.PrintIn(“value =” +switchIt(4)); } public static int switchIt(int x) { int j = 1; switch (x) { case 1: j++; case 2: j++; case 3: j++; case 4: j++; case 5: j++; default:j++; } return j + x; } } What is the output from line 3? ()A Value = 3B Value = 4C Value = 5D Value = 6E Value = 7F Value = 8
单选题If x is an integer and y=7x+11, what is the greatest value of x for which Y is less than 50?A7B6C5D4E3
单选题1. public class SwitchTest { 2. public static void main (String []args) { 3. System.out.PrintIn(“value =” +switchIt(4)); 4. } 5. public static int switchIt(int x) { 6. int j = 1; 7. switch (x) { 8. case 1: j++; 9. case 2: j++; 10. case 3: j++; 11. case 4: j++; 12. case 5: j++; 13. default:j++; 14. } 15. return j + x; 16. } 17. } What is the output from line 3?()A Value = 3B Value = 4C Value = 5D Value = 6E Value = 7F Value = 8
单选题If 3x+y = c and x+y = b, what is the value of x in terms of c and b?A(c-b)/3B(c-b)/2C(b -c)/3D(b-c)/2E(c-b)/4
单选题int i= 1, j= 10 ; do ( if (i++ --j) continue; ) while (i5); After execution, what are the values for I and j? ()A i = 6 and j= 5B i = 5 and j= 5C i = 6 and j= 4D i = 5 and j= 6E i = 6 and j= 6