1.√6又1/4+3^√0.027-3^√1-124/125
=√（25/4）+3^√(0.3^3)-3^√(1/125)
=5/2 +0.3 -1/5
=2.5+0.3-0.2
=2.6
2.√121-√12又1/4+√20.25-3^√2又10/27
=11-√(49/4) +√(81/4) -3^√(64/27)
=11-7/2 +9/2 -4/3
=11+1-1-1/3
=10又2/3