a=√2-3√3
b=2√2+√3
oblicz:
a) a-b
b) a+b
c)b-a
d)2a+3b
e)4b-2a
f) a*b
ga/√2
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b) √2-3√3+2√2+√3=3√2-2√3
c) 2√2+√3-√2+3√3=√2+4√3
d) 2(√2-3√3)+3(2√2+√3)=2√2-6√3+6√2+3√3=8√2-3√3
e) 4(2√2+√3)-2(√2-3√3)=8√2+4√3-2√2+6√3=6√2+10√3
f) (√2-3√3)*(2√2+√3)=4+√6-6√6-9=13-5√6
g)
.