zad3 oblicz
a. -7 4/9 - 2 1/6=
b. 3 1/4 - 8 5/6=
c. -2 3/5 + 7 1/3=
d. -3,12 - 6,1=
e. -7,2 +12,36=
f. 6,4 - 10,25=
g. -3 1/7 - 1,2=
h. 4 5/6 - 8,2=
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a. -7 8/18 - 2 3/18 = - 9 11/18
b. 3 3/12 - 8 10/12 = - 5 7/12
c. - 2 9/15 + 7 5/15 = 4 11/15
d. -9,22
e.5,16
f.-3,85
g. - 3 10/70 - 1 14/70 = - 4 24/70 = - 4 12/35
h. 4 50/60 - 8 12/60 = - 4 38/60 = 4 19/30