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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.)

(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.