ile to będzie?
(-3,4)-(-1,5)=
(-3,4)-(-1,5) = -3,4+1,5 = -1,9
(-3,4)-(-1,5)=(-1,9)
Ponieważ dwa minusy daja plus.
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(-3,4)-(-1,5) = -3,4+1,5 = -1,9
(-3,4)-(-1,5)=(-1,9)
Ponieważ dwa minusy daja plus.