September 2018 2 9 Report

Oblicz w pamieci

a.-27+12

b.-33+44

c.-23+(-17)

d.16-60

e.-15-25

f.-30-(-50)

g.-3/4+(-3/4)

h.0,2-0,7

i.-0,6-0,4

j-1-(4/7)

k.5,5-(-0,8)

l.-0,75+ 1/4

/ - kreska ułamkowa

prosze o szybką odpowiedz z góry dzieki


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