September 2018 2 15 Report

Wyłącz wspólny czynnik poza nawias. Uzupełnij zapisy

a) 2a - 6b + 14c = __ (a-3b+7c)

b) 12c + 4 = 4( __+ ___)

c) 2/7a( tj. ułamek) + 3/7b = 1/7 (__+___)

d) -3/4m - 3/5n = __ (1/4m + 1/5n)

e) 2xy - 3 xz + 5xt= x (__-__+__)
f) 10a - 5b - 5 = 5 (__-__+__)

g) 0,12st + 0,6sw - 0,3su = ____ (0,4t+2w-u)

h) -36abc + 18 abc2 - 12a2bc = _____ (6-3c+2a)


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