Răspuns:
2radical3(5-1)+12-20radical3+25+27+12radical3+4=
10radical3-2radical3+12-20radical3+25+27+12radical3+4=12+25+27+4=68
5-7-(10radical2-10radical5)/radical5-radical2=-2+10(radical5-radical2)/radical5-radical2=-2+10=+8
Explicație pas cu pas:
