Odpowiedź:
Szczegółowe wyjaśnienie:
=4/12+9/12=13/12=1 1/12
=14/21+18/21=32/21=1 11/21
=21/24+20/24=41/24=1 17/24
=5 6/24+20/24=5 26/24=6 2/24=6 1/12
=1 70/90+2 27/90=3 97/90=4 7/90
=2 21/24+3 4/24=5 25/24=6 1/24
=40/45 -18/45=22/45
=35/40 -32/40=3/40
=4 10/12 -3/12=4 7/12
=6 16/18 -1 9/18=5 7/18
=8 25/35 -3 14/35=5 11/35
=4 3/12 -4 2/12=1/12
