Wykonaj działania:
a) (5-√8)-(7+2√8)=
b) (8-3√2)*√18=
c) (3√8-√32):√2=
d) (5+√5) ^2=
Oblicz:
a) (2^-1 + 3^-1)^-2=
b) (2/5)^-1*4,8^0*(2,5)^-3=
c) (1/√2)^-2-(-3)^-3=
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a) 5-√8-7-2√8=-2-3√8
b)(8-3√2)*3√2= 16√2-18
d) 25+10√5+5=30+10√5