October 2018 2 89 Report

Oblicz niewiadomą liczbę X .(rozwiąż równania)

a)31 569-x =15 091

b)x+891=1300

c)4142-x=2592

d)1459+x=6554

e)6000-x=3125

f)x-687=4303

g)45 000-x=25 366

h)x-2148=1461


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