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-5 26/24
5 14/15
9,22
5,16
-3,85
-66/70
-202/60
-7 4/9 - 2 1/6 =
= -7 8/18 - 2 3/19 = -9 11/19
b)
3 1/4 - 8 5/6 =
= 3 3/12 - 8 10/12 = -5 7/12
c)
-2 3/5 + 7 1/3 =
= -2 9/15 + 7 5/15 = -2 9/15 + 6 20/15 = 411/15
d)
-3,12 - 6,1 = -9,22
e)
-7,2 + 12,36 = 5,16
f)
6,4 - 10,25 = -3,85
g)
-3 1/7 - 1,2 = -3 1/7 - 1 1/5 = -3 5/35 - 1 7/35 = -4 12/35
h)
4 5/6 - 8,2 = 4 5/6 - 8 1/5 = 4 25/30 - 8 6/30 = 4 25/30 - 7 36/30 = -3 11/30