Bardzo proszę o rozwiązanie...
1]
-2(√3+√3)+4(√5-√3)=-2√3-2√3 +4√5-4√3=-8√3+4√5=-4(2√3-√5)
2]
½(√7-√6)+2(√7+√6)=½√7- ½√6+ 2√7+2√6= 2½√7+1½√6=2.5√7+1.5√6
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1]
-2(√3+√3)+4(√5-√3)=-2√3-2√3 +4√5-4√3=-8√3+4√5=-4(2√3-√5)
2]
½(√7-√6)+2(√7+√6)=½√7- ½√6+ 2√7+2√6= 2½√7+1½√6=2.5√7+1.5√6