Zamień na dodawanie i oblicz :
a) -15 - (-35) = -15 + 35 =......
b) -4 - (-2,1) =......+......=.....
c) -111 - (-624) =.....+......=.....
d) 4,4 - (-5) =.......+......=.....
e) -6 - (-9 1/2) =.....+....=.....
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a) -15+35=20
b) -4+2,1=-1,9
c) -111+624=513
d) 4,4+5=9,4
e) -6+9,5=3,5
-15-(-35)= -15+35= 20
-4-(-2,1)= -4+2,1= -1,9
-111-(-624)= -111+624=513
4,4-(-5)= 4,4+5= 9,4
-6-(-9 1/2)= -6+9,5= 3,5