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-0-(-4 5/9)=-0 +4 5/9= 4 5/9
a)-7 4/9 -2 1/6= -7 8/18 -2 3/18= -9 11/18
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=4 11/15
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 6/25= -3 11/25
a)3-15-5= -12-5= -17
b) -7+11-6=4-6= -2
c)5-(-12)-7+14=5+12-7+14= 17-7+14=10+14=24
d)-2-(-8)-6-3=-2+8-6-3=6-6-3= -3
e)1,6-2 1/6-1= 0,6 -2 1/6=3/5- 2 1/6=18/30 -2 5/30= -1 17/30
f)-3 1/4 +2,75-0,6= -3,25+2,75-0,6= -0,5-0,6= -1,1
2 -2/2/9
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