计算题,(1)(-7√3/14)²(2)(-√1-24/25)²(3)2/3√3又3/4×(-9√45)(4)(-7√1/28)(-1/3√126)

问题描述:

计算题,
(1)(-7√3/14)²
(2)(-√1-24/25)²
(3)2/3√3又3/4×(-9√45)
(4)(-7√1/28)(-1/3√126)