September 2018 1 19 Report

a) √2<dwie całe> 1/4 - (-1<jedna cala> 2/3)² : 2,4

_________________________________________ =

(6-4*2<dwie cale> 1/4) * (1/3)²

b) 5<pięć całych> 1/4:14+7<siedem całych> 1/2 *4

_________________________________________________ =

(36:21/50 - 75 <siedemdziesiat piec calych> 3/14) : 3

c) 7/14 - 1/2 * (2,7 * 5/27 - 0,8) : (-1/2)³ =


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