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a fost răspuns

a).(2x-3y)²=
b).(3a+5b)²=
c).(√3x-√2y)²=
d).(1\3a+2x)²=
e).(√3+3b)²=
f).(b\4-a\3)²=

Răspuns :

Biancabie
a)4x²-12xy²+9y²
b)9a²+30ab²+25b²
c)3x²-2√6xy²+2y²
d)1/9+4*1/3x²+4x²
e)3+6√3b+9b²
f)b²/16-2*b/4*a/3+a²/9
sper sa fie bine

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