Odpowiedzi

2009-10-07T16:09:28+02:00
A) 3 1/4-8 5/6 =
13/4 -53/6=
78/24- 212/24= - 134/24 = -67/12
b)-2 3/5+7 1/3=
-13/5 +22/3=
-39/15 +110/15 = 71/15 = 4 11/15
c)-3,12-6,1 = -9,22
d)-7,2+12,36= 12,36-7,2=5,16
e)6,4-10,25=- 3,85
g)3 1/7-1,2 =
22/7 - 12/10=
220/70 - 84/70=
136/70= 68/35

h)4 5/6-8,2 =
29/6 -82/10=
290/60-492/60=
-202/60= -3 22/60= -3 11/30
3 2 3