The balloon with tourists rose in air exactly at noon and fell by the earth to 12 h 40 min., flight of a sphere What is the time continued?

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Terms: Rose - for 12 h Fell - for 12 h 40 min. 1)24:2=12(ch) 2)12+12=24(ch) of Answer: 24 h 40 min. flight of a sphere continued. I wish you good luck:)
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