September 2018 2 23 Report

zad 13

Do liczby -18 dodaj różnicę liczby -11 i liczby -9.5.

zad 14

Od sumy liczb -63 i 28 odejmij sumę liczb -16 i -13.

zad 11

Oblicz

c)-4.1/2+1/6+(-1/2)+1.1/3=

d)6,25+(-1/4)+(-3/5)+0,75=

e)4/7+(-3/14)+1/14=

f)1/2+(-3/4)+(-5/8)=

te ukośniki to np. 3/4 trzy czwarte


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