√8/√50+√32-4
=2√2/5√2+4√2-4
=0.4+4√2-4
=4.4+4√2
√6/√24+√126+5
=√6/2√6+3√14+5
=0.5+3√14+5
=5.5+3√14
(√6-2√15)×√3-6√2/1(根号2分之1)
=3√2-6√5-3√2
=6√5
√2/3(根号3分之2)-4√216+42√1/6
=√6/3(3分之根号6)-24√6+7√6
=-50/3√6
√8/√50+√32-4
=2√2/5√2+4√2-4
=0.4+4√2-4
=4.4+4√2
√6/√24+√126+5
=√6/2√6+3√14+5
=0.5+3√14+5
=5.5+3√14
(√6-2√15)×√3-6√2/1(根号2分之1)
=3√2-6√5-3√2
=6√5
√2/3(根号3分之2)-4√216+42√1/6
=√6/3(3分之根号6)-24√6+7√6
=-50/3√6