September 2018 1 14 Report

Oblicz. Wyrażenia algebraiczne. Proszę szybko !

1) 2x² - x - 2 dla x= ½ i drugi raz z x= (-1)

2) -X² - ( x-1 ) dla x= ½ i drugi raz z x= (-1)

3) 2 (1 - x² ) dla x= ½ i drugi raz z x= (-1)


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