题目下列运算正确的是：( )A.2+3=5\sqrt{2}+\sqrt{3}=\sqrt{5}2+3=5B.8÷2=2\sqrt{8}\div \sqrt{2}=28÷2=2C.22×32=622\sqrt{2}\times 3\sqrt{2}=6\sqrt{2}22×32=62D.32−2=33\sqrt{2}-\sqrt{2}=332−2=3知识点：二次根式的加减,同类二次根式,二次根式的乘除章节：未标注
