a) (2+√3 ) x
b) (3-2√2 ) y
c) (2-√3) y
d) (2√3 -√7) * (2√3+ √7 )
x - do potęgi 2
y - do potęgi 3
a)4+3=7
b)27- 8*9=-45
c) 8-9=-1
d)(2√3)x - 4√3 + 7= 4*3 -4√3= 13-4√3
a)(2+√3)=4+4√3+3=7+4√3
b) (3-2√2)=27-54√2+72-16√2=99-70√2
c) (2-√3)=8-12√3+12-3√3=20-15√3
d(2√3-7)*(2√3+7)=12-49=-37
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a)4+3=7
b)27- 8*9=-45
c) 8-9=-1
d)(2√3)x - 4√3 + 7= 4*3 -4√3= 13-4√3
a)(2+√3)=4+4√3+3=7+4√3
b) (3-2√2)=27-54√2+72-16√2=99-70√2
c) (2-√3)=8-12√3+12-3√3=20-15√3
d(2√3-7)*(2√3+7)=12-49=-37