Zadanie 16 strona 93 Matematyka wokol nas klasa 2 gim
zadanie 16 v-pierwistek , ^- druga potega
a) x^+6x+9
b) (v3-2)^
c) 9x^+4y^-12xy
d) (v8+v2)^
e) (5+3x)^
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a)
(x+3)²
b)
3-4√3+4=7-4√3
c)
(3x-2y)²
d)
8+2√16+2=10+8=18
e)
25+30x+9x²