Odpowiedź :
Odpowiedź:
b) (-4) - 11 = -15
(-10) - (-3) = -7
(-7) -(-6) = -1
(-9) - 3 = -12
Obliczenia :
[tex](-4)-11=-(4+11)=\boxed{-15}\\\\(-10)-(-3)=(-10)+3=-(10-3)=\boxed{-7}\\\\(-7)-(-6)=(-7)+6=-(7-6)=\boxed{-1}\\\\(-9)-3=-(9+3)=\boxed{-12}[/tex]