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3 i 3/8 * 1 1/9 * 2 2/15=27/8*10/9*32/15=3/4*5/1*32/15=15/4*32/15=1/1*8/1=8
1 7/8 * 3/150 * 4 4/5=15/8*3/150*24/5=1/8*3/10*24/5=3/80*24/5=36/25=1 11/25
Mam nadzieję, że pomogłam. :)