matematyka 6 (matematyka z plusem) str.74 zad. 13
a)1200 sekund- ile to minut?
b)2,75 minuty-ile to sekund?
c)3 3/8 doby- ile to godzin?
d)3600 minut- ile to godzin?
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a) 20min
b) 165sec
c) 81h
d) 60h
a) 20 min
b) 165 s
c) 81h
d) 60 h