January 2019 0 5 Report
Zapisz wyrażenia , pomijając nawiasy .
a) 3abc - ( 2cab + 5bac ) =
b) 10x do kwadratu y - ( 5xy do kwadratu - 8x do kwadratu y ) =
c) ( 2x + y ) - ( xy + 1 ) =
d) ( - a - 2b ) + ( - c + 2 ) =
e) - 4x + 5z - ( 1 - 2xz ) =
f) a - 6,5b + ( - 2c - 6 ) =
g) - ( x + 2y ) + ( 4 - z ) =
h) - ( - a + b ) - ( - 8 + ab ) =

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