August 2018 1 45 Report
Zadanie 1
Oblicz najprostszym sposobem.
a) 18 * 23 + (-17) * 23 =
b) 21 * (-4) - (-5) * 21 =
c) 13 * (-15) + (-15) * (-12) =
d) 16 : (-2) - 4 : (-2) =
e) 9 : (-30 - (-15) : (-3) =
f) -18 : (-3) + (21) : 3 =


Zadanie 5
Oblicz wartość wyrażeń
a) (-2,5) : 1 ⅔ - 1,4 =
b) 1 ⅖ * (-1 ³/₇) + ⅓ * [1+6 : (-18)] =
c) 2,6 - ¼ : [2 - (1,75) ] =
d) [- ⅔ - (-1,8) : (-1 ⅕) ] : (-¹/₂₇) =


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