ZAMIEN ULAMKI ZWYLKE NA ULAMKI DZIESIETNE 1 3/4 +0,3= 2 1/2 RAZY O,4 = 3/5 RAZY 1,1= 1 3/5 - 0,6= 11/20 - 0 ,45 = 2/5 :0,2= 1,2 :3/5=
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1 3/4 +0,3= 7/4+0,3= 175/100+30/100=205/100=2,05
2 1/2 RAZY O,4 =5/2*0,4=25/10* 0,4= 100/100=1
3/5 RAZY 1,1=6/10*11/10= 66/100=0,66
1 3/5 - 0,6=8/5-0,6=16/10-6/10=10/10=1
11/20 - 0 ,45 = 55/100-45/100=10/100=1/10=0,1
2/5 :0,2=4/10: 2/10=4/10*10/2=2
1,2 :3/5= 12/10:6/10=12/10*10/6=2