1.4√3-2√1/3+1/3√75 2.√2/9+√50-√32 3.√12-√1/2-2√1/3 4.3√8+2√32-√50

1.4√3-2√1/3+1/3√75
=4√3-2/3√3+5/3√5
=10/3√3+5/3√5
2.√2/9+√50-√32
=1/3√2+5√2-4√2
=4/3√2
3.√12-√1/2-2√1/3
=2√3-1/2√2-2/3√3
=4/3√3-1/2√2
4.3√8+2√32-√50
=6√2+8√2-5√2
=9√2√3分之4÷√2分之3*√8分之9刚刚那题答了