Działania na liczbach dodatnich i ujemnych. Oblicz:
a) 1,23-9
b) -6-(-4i5/9)
c) 3-15-5
d) -7+11-6
e)5-(-12)-7+14
Wielkie dzięki:)
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a) 1,23-9= -8,23
c) -12-5=-17
d) 4-6=-2
e) 17-7+17=10+17=27
b)-6-(-2)=-4
a) 1,23-9= -7,77
b) -6-(4i5/9)= -1 4/9
c) 3-15-5= -17
d) -7+11-6= -2
e) 5-(-12)-7+14= 24