Zbiór zadań Matematyka klasa 1 gim
zadanie 9 strona 13
f. 1 cała 2/3 : (5,5 x 2 całe 2/11 - 3 całe 2/3 )
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1 cała 2/3 : (5,5 x 2 całe 2/11 - 3 całe 2/3 ) =
=5/3:(11/2*24/11-11/3)=
=5/3:(12-11/3)=
=5/3:(36/3-11/3)=
=5/3:(25/3)=
=5/3*3/25=
=1/5