October 2018 2 21 Report

Oblicz w pamięci : a ) 6,4 + 2,1 = 1,6 +3,4 = 2,7+1,2= b ) 5,23+2,6= 2,45 + 0,4= 4,2+0,24= c ) 7,6-2,3= 8-1,6= 3,72-0,2= d ) 2,4-0,04= 5,92-2,11= 4,3-1,24= e ) 3,28+2,6= 4,2-1,05= 4,36+0,04= f ) 2,52-1,2= 6-0,98= 16,1 -15,9= DAJE NAJ :D


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