Wpisz w nawias odpowiednią sumę:
a) a2 - 2ab = 2a( )
b)2x + 1 = 2( )
c)x - 5 = 5( )
d)6ab + 9 = 2( )
a)
a²-2ab=a(a - 2b)=2a(½a -b)
b)
2x+1=2(x+½)
c)
x - 5= 5(⅕x - 1)
d)
6ab+9= 2(3ab+⁹/₂)
a) a2 - 2ab = 2a(½a-b )
b)2x + 1 = 2(x+½ )
c)x - 5 = 5(⅕x-1 )
d)6ab + 9 = 2(3ab+4½ )
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a)
a²-2ab=a(a - 2b)=2a(½a -b)
b)
2x+1=2(x+½)
c)
x - 5= 5(⅕x - 1)
d)
6ab+9= 2(3ab+⁹/₂)
a) a2 - 2ab = 2a(½a-b )
b)2x + 1 = 2(x+½ )
c)x - 5 = 5(⅕x-1 )
d)6ab + 9 = 2(3ab+4½ )