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h) (( 3/2)^2 - ( - 4/3)^2 ) : 17/4 = (9/4 - 16/9) : 17/4 = (81/36 - 64/36) :17/4 = 17/36 * 4/17 = 1/9
mam nadzieję, że pomogłam, pozdrawiam wroniaak :)