October 2018 2 13 Report

zad.1

Dla liczb a = -5 i b = -9 wpisz wyniki podanych działań:

a+b

a*b

a-b

a:(-b)

b-a

(-a)*b

a+(-b)

(-b):(-a)

zad.2

Oblicz:

(-2+5)*(-3)

(-3-8)*(8-12)

(4-(-6)) kreska ułamkowa -2

(-13-8):(-3+10)

(-3)*(2-7)-(-6+3)

(12-18)-(17-(-3)) kreska ułamkowa 10-15


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