January 2019 1 12 Report
Rozwiąż równania
a) 4.1/2 + x = 13

b)5x = 7

c)1/3x = -4

d) 3 - x = -2

( Jagby co to 4.1/2 to znaczy cztery całe i jedna druga . A 1/3 znaczy jedna trzecia :) )
Z góry dziękuję :)

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