1) 5√3 - 2/3√27 + 1/2√48 - √75 = 5√3 - 2√3 + √48/2 - √75 = 3√3 - √75
2) √80 + 0.5√20 + 1/3√45 - √180 = √80 + √20/2 + √45/3 - √180 = 4√5 + 2√5 + √15 - 6√5 = √15 - √5
1) 5√3 - 2/3√27 + 1/2√48 - √75 = 5√3 - 2√3 + √48/2 - √75 = 3√3 - √75
2) √80 + 0.5√20 + 1/3√45 - √180 = √80 + √20/2 + √45/3 - √180 = 4√5 + 2√5 + √15 - 6√5 = √15 - √5