September 2018 2 40 Report

oblicz sprytnie a)143 do kwadratu - 43do kwadratu
b)1959 do kwadratu - 41 do kwadratu
c)1003 * 997
d)302 * 298
e)49 do kwadratu - 41 do kwadratu / 54 do kwadratu - 46 do kwadratu
f) 66 do kwadratu - 54 do kwadratu / 75 do kwadratu - 45 do kwadratu
SZYBKO PREOSZĘ!


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