Zamień :
a) 7cm/h --> m/s
b) 12cm/min --> mm/h
Z góry dziękuję . :*
a) 7cm=0,07m 7h= 420min=25200s
b)12cm=120mm 12min=1/5h
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a) 7cm=0,07m 7h= 420min=25200s
b)12cm=120mm 12min=1/5h