(√48-√50+√75)乘(-√6)
=(4√3-5√2+5√3)乘(-√6)
=(9√3-5√2)×(-√6)
=10√3-27√2
(3√18+1/5√50-4√1/2)除以√32
=(9√2+√2-2√2)÷4√2
=8√2÷4√2
=2
(2-√3)(2+√3)+1-(1/2)的负一次方
=4-3+1-2
=0
(2√3+3√2-√6)乘以(2√3-3√2-√6)
=(2√3-√6)的平方-(3√2)的平方
=12-12√2+6-18
=-12√2
(√48-√50+√75)乘(-√6)
=(4√3-5√2+5√3)乘(-√6)
=(9√3-5√2)×(-√6)
=10√3-27√2
(3√18+1/5√50-4√1/2)除以√32
=(9√2+√2-2√2)÷4√2
=8√2÷4√2
=2
(2-√3)(2+√3)+1-(1/2)的负一次方
=4-3+1-2
=0
(2√3+3√2-√6)乘以(2√3-3√2-√6)
=(2√3-√6)的平方-(3√2)的平方
=12-12√2+6-18
=-12√2