(2 i trzy czwarte - 1i jedna druga)2= to trzy czwarte i to drugie to są ułamki a ta 2 to potęgowanie
(2 3/4 - 1 2/4)2= (1 1/4)2= (5/4)2=25/16=1 9/16
(2 3/4 - 1 1/2) do pot. 2 = ( 2 3/4 - 1 2/4) do pot.2 = 1 1/4 do pot. 2 = 5/4 x 5/4 = 1 9/16
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(2 3/4 - 1 2/4)2= (1 1/4)2= (5/4)2=25/16=1 9/16
(2 3/4 - 1 1/2) do pot. 2 = ( 2 3/4 - 1 2/4) do pot.2 = 1 1/4 do pot. 2 = 5/4 x 5/4 = 1 9/16