Odpowiedzi

2010-03-01T19:15:28+01:00
A) 2 2/10 - 4/5= 2 2/10 - 8/10= 1 4/10
b) 3 1/3 - 2 3/4= 3 4/12 - 2 9/12= 7/12
2010-03-01T19:16:44+01:00
A)
2 2/10 -4/5 = 22/10-4/5 = 22/10-8/10 = 14/10 = 1⅖


b)
3 1/3-2 3/4 = 10/3-11/4 = 40/12-33/12 = 7/12