50+2√5*[65√2-5(13√2-3√5)]=
12√3+2*{20√2*2*[18√3-5*(3√3-2√2)]} =
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50+2√5*[65√2-5(13√2-3√5)]=50+2√5[65√2-65√2+15√5]=
50+2√5·15√5=50+2·15·5=50+150=200
12√3+2*{20√2*2*[18√3-5*(3√3-2√2)]} =
12√3+2{40√2[18√3-15√3+10√2]=
12√3+2·[40√2·(3√3+10√2)]=
12√3+2·(120·6+400·2)=12√3+2880+1600=12√3+4480
2√6+3√3*(4√3-2√2)] =
2√6+12·3-6√6=-4√6+36
50+2√5·15√5=50+2·15·5=50+150=200
12√3+2*{20√2*2*[18√3-5*(3√3-2√2)]} =
12√3+2{40√2[18√3-15√3+10√2]=
12√3+2·[40√2·(3√3+10√2)]=
12√3+2·(120·6+400·2)=12√3+2880+1600=12√3+4480
2√6+3√3*(4√3-2√2)] =
2√6+12·3-6√6=-4√6+36
anaanymaria:
si : 2√6+3√3*(4√3-2√2)] ?
nu e bine .. scz :)) asta e : 2√6+3√3 *[8√3-2*(4√3-2√2)] = ?
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