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1,2 + 5/6 =
1 i 2/10 + 5/6 =
12/10 + 5/6 =
6/5 + 5/6 =
36/30 + 25/30 = 61/30 = 2 i 1/30
b)
4,8 - 1 i 1/3 =
4 i 8/10 - 4/3 =
48/10 - 4/3 =
24/5 - 4/3 =
72/15 - 20/15 = 52/15 = 3 i 7/15
c)
33,3 + 1/3 - 1,25 =
33 i 3/10 + 1/3 - 1 i 1/4 =
333/10 + 1/3 - 5/4 =
1998/60 + 20/60 - 75/60 =
2018/60 - 75/60 = 1943/60 = 32 i 23/60
d)
2,25 - 1 i 1/3 - 1/5 =
2 i 1/4 - 1 i 1/3 - 1/5 =
9/4 - 4/3 - 1/5 =
135/60 - 80/60 - 12/60 =
55/60 - 12/60 = 43/60