根号十二加根号1/27减根号1/3等于？（过程）

如题所述

√12+√(1/27)+√(1/3)

=√12+√27/27+√3/3

=√12+3√3/27+√3/3

=√12+(3√3/27+√3/3)

=√12+(3√3/27+9√3/27)

=√12+12√3/27

=2√3+12√3/27

=54√3/27+12√3/27

=66√3/27

=22√3/9