( - 1 1/2 ) * ( - 1 1/2 ) = ..........???
1/2 to
( - 1 4/5) * ( - 1 4/5) =...........??????
1/2 to tak samo jak ułamek ....
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(-1 1/2)*(-1 1/2)=(-3/2)*(-3/2)=9/4=2 i1/4
(-1 4/5)*(-1 4/5)=(-9/5)*(-9/5)=81/25=3 i6/25