Dima and Oleg made garlands of tags and decorated with them the rooms. Dima had enough garland for one wall completely and for a half of other wall, and to Oleg on two walls completely and for a half of the third wall. On how many meters Dima's garland is shorter than Oleg if length of each wall of 4 m?

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4:2=2(m) a half steny4+2=6 (m) of a garland was hung up by Dima4+4+2=10 (m) hung up Oleg10-6=4 (m) to Dima's raznitsa the garland is equal 4 plus 2 =6m. at Oleg the garland is equal 8 plus 2=10m at Dima 10-6=4 m are shorter
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