CZy potrafisz szybko podac wyniki tych obliczen? NA DZIŚ!!!!!!!
a) 92x71-71x83-71x92+83X71=
b)301x78-299x78+303x78-305x78=
c)214x62+148x62-206x62-62x148+12x62=
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a). 92x71-71x83-71x92+83X71 = 71(92-83-92+83) = 71 x 0 = 0
b)301x78-299x78+303x78-305x78= 78 x(301-299+303-305) = 78x0=0
c)214x62+148x62-206x62-62x148+12x62=62x(214+148-206-148+12) = 62x200=12400