September 2018 1 20 Report

oblicz wartości wyrażeń

a) (4/5:2/5-0,8*15/16)+2/5*2,5=

b) (3 1/5*5/8+4,5:3 3/4)-0,16*1/4=

/-kreska ułamkowa

FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


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