November 2018 2 9 Report

Zad . 4 Uprość wyrażenia algebraiczne:

a) -7 + 3y + 9 + 2y

b) x - 3x + 2 - 2x - 7

c) -5x + 4y - y - 7x - 9y

d) 4x + 5 - x - 4 + x - 3x

e) 0,5a - 2a + 9 - 0,5a - 11,5

f) -14k + 9k - 13 + k + 3 + 4k

g) -3k + 2m + 5m - 7 + k - m

h) 2x - 4 + 3x -2 i) x - 3y - 2x + 6y j) 2y - 5 - 3y - 4 - 8y - 9

Proszę zapisać np. takim zapisem . : a) -7+3y+9+2y= (-7+9) +(3y+2y) = 2+5y= 5y+2 !!! Pomocy . !!!!


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