15.
a)18-10=8
18-(-10)=18+10=28
-18-10=-28
-18-(-10)=-18+10=-8
b)-14-12=-26
-14-(-12)=-14+12=-2
14-2=2
14-(-12)=14+12=26
c)2,75-5=-1,25
2,75-(-5)=2,75+5=7,75
-2,75-5=-7,75
-2,75-(-5)=-2,75+5=1,25
16.
a)-77-22=-99
85-58=27
b)-9-(-73)=-9+73=64
-222-444=-666
c)59-(-441)=59+441=500
-8,5-(-3)=-8,5+3=-5,5
17
a)3-(-5)=8
-5-(-8)=3
b)-8-2=-10
0-(-9)=9
c)-14-(-6)=-8
-7-(-7)=0
18.
a)-1-(-1,99999)=-1+1,99999=0,99999
b)10000-(-9999)=1000+9999=10999
c)-1-99,9999=-100,999
d)999,999-1000=998,999
Odpowiedź:
a)
b)
c)
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Verified answer
15.
a)18-10=8
18-(-10)=18+10=28
-18-10=-28
-18-(-10)=-18+10=-8
b)-14-12=-26
-14-(-12)=-14+12=-2
14-2=2
14-(-12)=14+12=26
c)2,75-5=-1,25
2,75-(-5)=2,75+5=7,75
-2,75-5=-7,75
-2,75-(-5)=-2,75+5=1,25
16.
a)-77-22=-99
85-58=27
b)-9-(-73)=-9+73=64
-222-444=-666
c)59-(-441)=59+441=500
-8,5-(-3)=-8,5+3=-5,5
17
a)3-(-5)=8
-5-(-8)=3
b)-8-2=-10
0-(-9)=9
c)-14-(-6)=-8
-7-(-7)=0
18.
a)-1-(-1,99999)=-1+1,99999=0,99999
b)10000-(-9999)=1000+9999=10999
c)-1-99,9999=-100,999
d)999,999-1000=998,999
Odpowiedź:
15.
a)
b)
c)
16.
a)
b)
c)
17.
a)
b)
c)