paweł swoim swoim sposobem odejmuje dwa ułamki o różnych mianownikach 2 1\2 - 4\5 =2 1\10-1\10-7/10=2- 7/10=1 3/10 3 1\10-2 3\4=1 4/12- 9\12 = 1 4/12 - 4\12 - 5\12 = 1 - 5\12 = 7\12 oblicz a 4 5\9 - 2\3= b 3 1\4 - 1 5\6 plis daje naj c 5 2\15- 2 17/20
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a) 4 5/9-2/3=41/9-2/3=41/9-6/9=35/9=3 8/9
b) 3 1/4-1 5/6=13/4-11/6=39/12-22/12=17/12=1 5/12
c) 5 2/15-2 17/20=5 40/300-2 255/300=4 340/300-2 255/300=2 85/300= 2 17/60
Mam nadzieje ze o to chodziło . ; p