Wpisz w nawias odpowiednią sumę:
a) a2 - 2ab = 2a( )
b)2x + 1 = 2( )
c)x - 5 = 5( )
d)6ab + 9 = 2( )
a) 2a-2ab=2a(1-b)
b) 2x+1=2(x+1/2)
c) x-5=5(1/5x-1)
d) 6ab+9=2(3ab+4,5)
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a) 2a-2ab=2a(1-b)
b) 2x+1=2(x+1/2)
c) x-5=5(1/5x-1)
d) 6ab+9=2(3ab+4,5)