Obilcz.
a)3 √28 - 0,5 ³√448 + 5 √63 + ³√56 - 4 √175=
b)1¼ ³√0,04 + 0,25 ³√5 - 5 ³√0,32 + ½ ³√135=
c) 4 √0,12 - 0,3 √3 + 3 √18,75 - 10 √0,27=
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a)3·2√7-0,5·4∛7+5·3√7+2∛7-4·5√7=6√7-2∛7+15√7+2∛7-20√7=√7
b)1¼·∛0,04+0,25∛5-5·2∛0,04+½·3∛5=1,25∛0,04+0,25∛5-10∛0,04+1,5∛5=
=(-8,75∛0,04)+1,75∛5
c)4·0,2√3-0,3√3+3·2,5√3-10·0,3√3=0,8√3-0,3√3+7,5√3-3√3=5√3