Today's problem: The Intruder


	Monday, 13 january 2014

The Intruder

Proposed by pinguin.cravata Offline


(5 comments)	6.387 times displayed

Intre cele 9 numere de mai jos exista un intrus. 1925 4862 7727 2681 6148 8133 8524 5132 9782 Care este?


View the Solution Toate numerele, in afara de 6148 respecata o anumita regula: 1925...1+9=25 4862...4+8=62 7727...7+7=2*7 .......................... (Suma primelor 2 cifre este egal cu produsul ultimelor 2 cifre) Intrusul este 6148.

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intruder, numbers, funny problems, math

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january 2014

RE: 1925...S=17
7727...S=23
2681...S=17
...................
5132...S=11
9782...S=26......nu vad de ce ar fi 4862 un intrus.

Tuesday, 14 jan 2014 10:25 [#]
vizitiumihai

RE: Aha, nu-i singurul cu suma cifrelor para .........
Tuesday, 14 jan 2014 10:28 [#]
vizitiumihai

RE: Dar tu cu 8524 ?

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