Odpowiedzi

2009-12-10T19:31:06+01:00
17⁰W...........20⁰E...........37⁰E
T................K...............M
9³².............12⁰⁰............13⁰⁸

17⁰+20⁰=37⁰
37⁰× 4 min.=148min.÷60 min.=2h 28 min.
12⁰⁰-2h 28 min.=9³²

37⁰-20⁰=17⁰
17⁰×4 min.=68 min.÷ 60min.=1h 8 min.
12⁰⁰+1h 8 min.=13⁰⁸
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