Odpowiedzi

2010-03-10T17:26:32+01:00
A 550
b 16,33
c 10,36
d 3
e 896
f 455
g 369
h 2
i 0

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2010-03-10T17:31:52+01:00
A) 6x-24-2=6x-26
b)2x+2-3x+3=-x+2
c)-3y+6+4y+8=y+14
d)5x-5y-5-4x-8=x-5y-13
e)6a+2b-2a+2b=4a
f)2x-2-2x=-2
g)x²-x-3x²+3x=-2x²+2x
h)(5a²-15a)(3a²-15a)=15a⁴-45a³-75a³+225a²=15a⁴-120a³+225a²
i)3x²+xy-xy+y=3x²+y
2010-03-10T17:35:07+01:00
A) 6x - 24 -2 = 6x -26
b)2x+2 -3x+3 = -x+5
c)-3y+6 +4y+8= y+ 14
d)5x-5y-5-4x-8= x-5y-13
e)6a+2b-2a+2b=4a+2b
f)2x-2-2x=-2
g)x²-x-3x²+3x=-2x²+2x
h)(5a²-15a)(3a²-15a)= 15a²-75a³-75a³+225a²=240a²-150a³
i)3x²+xy-xy-y= 3x²-y