Difference between revisions of "2007 Cyprus MO/Lyceum/Problems"
(→Problem 4) |
(→Problem 4) |
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| Line 49: | Line 49: | ||
The value of <math>(2*0)*1</math> is | The value of <math>(2*0)*1</math> is | ||
| − | A. 2 | + | A. <math>2</math> |
| − | B. 1 | + | B. <math>1</math> |
| − | C. 0 | + | C. <math>0</math> |
| − | D. \frac{1}{2} | + | D. <math>\frac{1}{2}</math> |
| − | E. \frac{5}{2} | + | E. <math>\frac{5}{2}</math> |
Revision as of 12:11, 6 May 2007
Contents
Problem 1
If 
,then the value of the expression 
is
A. 
B. 
C. 
D. 
E. 
Problem 2
Given the formula 
, then 
equals to
A. 
B. 
C. •
D. 
E. 
•
Problem 3
A cyclist drives form town A to town B with velocity 40
and comes back with velocity 60. The mean valocity in for the total distance is
A. 45
B. 48
C. 50
D. 55
E. 100
Problem 4
We define the operation 
, 
.
The value of 
is
A.
B.
C.
D. 
E. 
