October 2018 2 8 Report

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 : (-3) - (- 15) : (-3 )= f) -18 : (-3) + (21) : 3 =

PROSZE NA JUTRO!!! :*


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