题目 计算 (1)27−13+12(1) \sqrt {27}- \sqrt { \dfrac {1}{3}}+ \sqrt {12}(1)27−31+12 (2)(3+22)(22−3)(2)(3+2 \sqrt {2})(2 \sqrt {2}-3)(2)(3+22)(22−3) (3)15+603−35(3) \dfrac { \sqrt {15}+ \sqrt {60}}{ \sqrt {3}}-3 \sqrt {5}(3)315+60−35 (4)∣2−2∣+6×32−(8−3)0(4)| \sqrt {2}-2|+ \dfrac { \sqrt {6}× \sqrt {3}}{ \sqrt {2}}-( \sqrt {8}-3)^{0}(4)∣2−2∣+26×3−(8−3)0． 知识点：二次根式的混合运算,零指数幂章节：未标注
