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b).3/2 - (7-3) - 10 = 1 i 1/2 - 4 -10 = -2 i 1/2 - 10 = -12 i 1/2
c).4 - (3-1,5) 2 = 4 -1,5 · 2 = 4-3 = 1
d).(1 i 3/8 +2) : 3 +1 = 3 i 3/8 : 3 +1 = 27/8 · 1/3 +1 = 9/8 +1 = 1 i 1/8 +1 =
= 2 i 1/8