题目计算:(1)(5+1)0+6×3−42(1)(\sqrt{5}+1)^{0}+\sqrt{6}×\sqrt{3}-\frac{4}{\sqrt{2}}(1)(5+1)0+6×3−24；(2)(2+3)(2−3)+(2−3)2(2)(2+\sqrt{3})(2-\sqrt{3})+(\sqrt{2}-\sqrt{3})^{2}(2)(2+3)(2−3)+(2−3)2；(3)a2⋅a4+(−2a2)3+a8÷a2(3)a^{2}\cdot a^{4}+(-2a^{2})^{3}+a^{8}\div a^{2}(3)a2⋅a4+(−2a2)3+a8÷a2；(4)y(3−4y)−(x+2y)(x−2y)(4)y\left(3-4y\right)-\left(x+2y\right)\left(x-2y\right)(4)y(3−4y)−(x+2y)(x−2y).知识点：代数式求值;二次根式的混合运算章节：未标注
