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K. 139. Replace each circle between the numbers by the symbol of one of the basic operations so that the result is 100. (Note that brackets are not allowed.)

1\ \circ \ 2\ \circ \ 3\ \circ \ 4\ \circ \ 5\ \circ \ 6\ \circ \ 7\ \circ \ 8\ \circ \ 9 =

(6 points)

This problem is for grade 9 students only.

Deadline expired on 10 December 2007.

Google Translation (Sorry, the solution is published in Hungarian only.)

Megoldás: 1+2+3+4+5+6+7+8.9=100 vagy 1.2.3+4+5+6+7+8.9=100.

Statistics on problem K. 139.
237 students sent a solution.
6 points:226 students.
5 points:1 student.
4 points:2 students.
0 point:4 students.
Unfair, not evaluated:4 solutions.

  • Problems in Mathematics of KöMaL, November 2007

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