rozwiąż:
13/19+19/38-11/66
Wyznacz x:
x=5/660-11/990
Dam naj!
13/19+19/38-11/66=26/38+19/38-1/6=45/38-1/6=270/228-38/228=232/228=1 4/228=1 1/57
x=1/132-1/90
x=90/11880-132/11880
x=-42/11880
w zał.
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13/19+19/38-11/66=26/38+19/38-1/6=45/38-1/6=270/228-38/228=232/228=1 4/228=1 1/57
x=5/660-11/990
x=1/132-1/90
x=90/11880-132/11880
x=-42/11880
w zał.