Difference between revisions of "1993 AJHSME Problems/Problem 12"
Mrdavid445 (talk | contribs) (Created page with "==Problem== If each of the three operation signs, <math>+</math>, <math>-</math>, <math>\times </math>, is used exactly ONCE in one of the blanks in the expression <cmath>5\hsp...") |
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==Solution== | ==Solution== | ||
+ | There are a reasonable number of ways to place the operation signs, so guess and check to find that <math>5-4+6 \times 3 = \boxed{\text{(E)}\ 19}</math>. | ||
+ | |||
+ | ==See Also== | ||
+ | {{AJHSME box|year=1993|num-b=11|num-a=13}} | ||
+ | {{MAA Notice}} |
Revision as of 00:11, 5 July 2013
Problem
If each of the three operation signs, , , , is used exactly ONCE in one of the blanks in the expression
then the value of the result could equal
Solution
There are a reasonable number of ways to place the operation signs, so guess and check to find that .
See Also
1993 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 11 |
Followed by Problem 13 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
All AJHSME/AMC 8 Problems and Solutions |
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