Odpowiedzi

2010-01-27T17:43:49+01:00
1/3 √5 = 11/15
7/8 √7 =91/40
2√3(√3-2) = 17/5
3√128 -5√200 + 7√98 = 4158

2010-01-27T23:52:36+01:00
1/3*√5=√5/15=2,24/15=0,15
7/8√7=7√7/56=18,52/56=0,33
2√3(√3-2)=6-4√3=6-6,93=-0,93
3√128-5√500-7√98=3√2*√64-5√100*√5+7√49*√2=24√2+49√2-50√5=73√2-50√5=
=73*1,41-50*2,24=102,93-112=-9,07
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